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LCOV - code coverage report
Current view: top level - Zend - zend_builtin_functions.c (source / functions) Hit Total Coverage
Test: PHP Code Coverage Lines: 947 1042 90.9 %
Date: 2014-11-22 Functions: 65 65 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :    +----------------------------------------------------------------------+
       3             :    | Zend Engine                                                          |
       4             :    +----------------------------------------------------------------------+
       5             :    | Copyright (c) 1998-2014 Zend Technologies Ltd. (http://www.zend.com) |
       6             :    +----------------------------------------------------------------------+
       7             :    | This source file is subject to version 2.00 of the Zend license,     |
       8             :    | that is bundled with this package in the file LICENSE, and is        |
       9             :    | available through the world-wide-web at the following url:           |
      10             :    | http://www.zend.com/license/2_00.txt.                                |
      11             :    | If you did not receive a copy of the Zend license and are unable to  |
      12             :    | obtain it through the world-wide-web, please send a note to          |
      13             :    | license@zend.com so we can mail you a copy immediately.              |
      14             :    +----------------------------------------------------------------------+
      15             :    | Authors: Andi Gutmans <andi@zend.com>                                |
      16             :    |          Zeev Suraski <zeev@zend.com>                                |
      17             :    +----------------------------------------------------------------------+
      18             : */
      19             : 
      20             : /* $Id$ */
      21             : 
      22             : #include "zend.h"
      23             : #include "zend_API.h"
      24             : #include "zend_builtin_functions.h"
      25             : #include "zend_constants.h"
      26             : #include "zend_ini.h"
      27             : #include "zend_exceptions.h"
      28             : #include "zend_extensions.h"
      29             : #include "zend_closures.h"
      30             : 
      31             : #undef ZEND_TEST_EXCEPTIONS
      32             : 
      33             : static ZEND_FUNCTION(zend_version);
      34             : static ZEND_FUNCTION(func_num_args);
      35             : static ZEND_FUNCTION(func_get_arg);
      36             : static ZEND_FUNCTION(func_get_args);
      37             : static ZEND_FUNCTION(strlen);
      38             : static ZEND_FUNCTION(strcmp);
      39             : static ZEND_FUNCTION(strncmp);
      40             : static ZEND_FUNCTION(strcasecmp);
      41             : static ZEND_FUNCTION(strncasecmp);
      42             : static ZEND_FUNCTION(each);
      43             : static ZEND_FUNCTION(error_reporting);
      44             : static ZEND_FUNCTION(define);
      45             : static ZEND_FUNCTION(defined);
      46             : static ZEND_FUNCTION(get_class);
      47             : static ZEND_FUNCTION(get_called_class);
      48             : static ZEND_FUNCTION(get_parent_class);
      49             : static ZEND_FUNCTION(method_exists);
      50             : static ZEND_FUNCTION(property_exists);
      51             : static ZEND_FUNCTION(class_exists);
      52             : static ZEND_FUNCTION(interface_exists);
      53             : static ZEND_FUNCTION(trait_exists);
      54             : static ZEND_FUNCTION(function_exists);
      55             : static ZEND_FUNCTION(class_alias);
      56             : #if ZEND_DEBUG
      57             : static ZEND_FUNCTION(leak);
      58             : static ZEND_FUNCTION(leak_variable);
      59             : #ifdef ZEND_TEST_EXCEPTIONS
      60             : static ZEND_FUNCTION(crash);
      61             : #endif
      62             : #endif
      63             : static ZEND_FUNCTION(get_included_files);
      64             : static ZEND_FUNCTION(is_subclass_of);
      65             : static ZEND_FUNCTION(is_a);
      66             : static ZEND_FUNCTION(get_class_vars);
      67             : static ZEND_FUNCTION(get_object_vars);
      68             : static ZEND_FUNCTION(get_class_methods);
      69             : static ZEND_FUNCTION(trigger_error);
      70             : static ZEND_FUNCTION(set_error_handler);
      71             : static ZEND_FUNCTION(restore_error_handler);
      72             : static ZEND_FUNCTION(set_exception_handler);
      73             : static ZEND_FUNCTION(restore_exception_handler);
      74             : static ZEND_FUNCTION(get_declared_classes);
      75             : static ZEND_FUNCTION(get_declared_traits);
      76             : static ZEND_FUNCTION(get_declared_interfaces);
      77             : static ZEND_FUNCTION(get_defined_functions);
      78             : static ZEND_FUNCTION(get_defined_vars);
      79             : static ZEND_FUNCTION(create_function);
      80             : static ZEND_FUNCTION(get_resource_type);
      81             : static ZEND_FUNCTION(get_resources);
      82             : static ZEND_FUNCTION(get_loaded_extensions);
      83             : static ZEND_FUNCTION(extension_loaded);
      84             : static ZEND_FUNCTION(get_extension_funcs);
      85             : static ZEND_FUNCTION(get_defined_constants);
      86             : static ZEND_FUNCTION(debug_backtrace);
      87             : static ZEND_FUNCTION(debug_print_backtrace);
      88             : #if ZEND_DEBUG
      89             : static ZEND_FUNCTION(zend_test_func);
      90             : #ifdef ZTS
      91             : static ZEND_FUNCTION(zend_thread_id);
      92             : #endif
      93             : #endif
      94             : static ZEND_FUNCTION(gc_collect_cycles);
      95             : static ZEND_FUNCTION(gc_enabled);
      96             : static ZEND_FUNCTION(gc_enable);
      97             : static ZEND_FUNCTION(gc_disable);
      98             : 
      99             : /* {{{ arginfo */
     100             : ZEND_BEGIN_ARG_INFO(arginfo_zend__void, 0)
     101             : ZEND_END_ARG_INFO()
     102             : 
     103             : ZEND_BEGIN_ARG_INFO_EX(arginfo_func_get_arg, 0, 0, 1)
     104             :         ZEND_ARG_INFO(0, arg_num)
     105             : ZEND_END_ARG_INFO()
     106             : 
     107             : ZEND_BEGIN_ARG_INFO_EX(arginfo_strlen, 0, 0, 1)
     108             :         ZEND_ARG_INFO(0, str)
     109             : ZEND_END_ARG_INFO()
     110             : 
     111             : ZEND_BEGIN_ARG_INFO_EX(arginfo_strcmp, 0, 0, 2)
     112             :         ZEND_ARG_INFO(0, str1)
     113             :         ZEND_ARG_INFO(0, str2)
     114             : ZEND_END_ARG_INFO()
     115             : 
     116             : ZEND_BEGIN_ARG_INFO_EX(arginfo_strncmp, 0, 0, 3)
     117             :         ZEND_ARG_INFO(0, str1)
     118             :         ZEND_ARG_INFO(0, str2)
     119             :         ZEND_ARG_INFO(0, len)
     120             : ZEND_END_ARG_INFO()
     121             : 
     122             : ZEND_BEGIN_ARG_INFO_EX(arginfo_each, 0, 0, 1)
     123             :         ZEND_ARG_INFO(1, arr)
     124             : ZEND_END_ARG_INFO()
     125             : 
     126             : ZEND_BEGIN_ARG_INFO_EX(arginfo_error_reporting, 0, 0, 0)
     127             :         ZEND_ARG_INFO(0, new_error_level)
     128             : ZEND_END_ARG_INFO()
     129             : 
     130             : ZEND_BEGIN_ARG_INFO_EX(arginfo_define, 0, 0, 3)
     131             :         ZEND_ARG_INFO(0, constant_name)
     132             :         ZEND_ARG_INFO(0, value)
     133             :         ZEND_ARG_INFO(0, case_insensitive)
     134             : ZEND_END_ARG_INFO()
     135             : 
     136             : ZEND_BEGIN_ARG_INFO_EX(arginfo_defined, 0, 0, 1)
     137             :         ZEND_ARG_INFO(0, constant_name)
     138             : ZEND_END_ARG_INFO()
     139             : 
     140             : ZEND_BEGIN_ARG_INFO_EX(arginfo_get_class, 0, 0, 0)
     141             :         ZEND_ARG_INFO(0, object)
     142             : ZEND_END_ARG_INFO()
     143             : 
     144             : ZEND_BEGIN_ARG_INFO_EX(arginfo_is_subclass_of, 0, 0, 2)
     145             :         ZEND_ARG_INFO(0, object)
     146             :         ZEND_ARG_INFO(0, class_name)
     147             :         ZEND_ARG_INFO(0, allow_string)
     148             : ZEND_END_ARG_INFO()
     149             : 
     150             : ZEND_BEGIN_ARG_INFO_EX(arginfo_get_class_vars, 0, 0, 1)
     151             :         ZEND_ARG_INFO(0, class_name)
     152             : ZEND_END_ARG_INFO()
     153             : 
     154             : ZEND_BEGIN_ARG_INFO_EX(arginfo_get_object_vars, 0, 0, 1)
     155             :         ZEND_ARG_INFO(0, obj)
     156             : ZEND_END_ARG_INFO()
     157             : 
     158             : ZEND_BEGIN_ARG_INFO_EX(arginfo_get_class_methods, 0, 0, 1)
     159             :         ZEND_ARG_INFO(0, class)
     160             : ZEND_END_ARG_INFO()
     161             : 
     162             : ZEND_BEGIN_ARG_INFO_EX(arginfo_method_exists, 0, 0, 2)
     163             :         ZEND_ARG_INFO(0, object)
     164             :         ZEND_ARG_INFO(0, method)
     165             : ZEND_END_ARG_INFO()
     166             : 
     167             : ZEND_BEGIN_ARG_INFO_EX(arginfo_property_exists, 0, 0, 2)
     168             :         ZEND_ARG_INFO(0, object_or_class)
     169             :         ZEND_ARG_INFO(0, property_name)
     170             : ZEND_END_ARG_INFO()
     171             : 
     172             : ZEND_BEGIN_ARG_INFO_EX(arginfo_class_exists, 0, 0, 1)
     173             :         ZEND_ARG_INFO(0, classname)
     174             :         ZEND_ARG_INFO(0, autoload)
     175             : ZEND_END_ARG_INFO()
     176             : 
     177             : ZEND_BEGIN_ARG_INFO_EX(arginfo_trait_exists, 0, 0, 1)
     178             :         ZEND_ARG_INFO(0, traitname)
     179             :         ZEND_ARG_INFO(0, autoload)
     180             : ZEND_END_ARG_INFO()
     181             : 
     182             : ZEND_BEGIN_ARG_INFO_EX(arginfo_function_exists, 0, 0, 1)
     183             :         ZEND_ARG_INFO(0, function_name)
     184             : ZEND_END_ARG_INFO()
     185             : 
     186             : ZEND_BEGIN_ARG_INFO_EX(arginfo_class_alias, 0, 0, 2)
     187             :         ZEND_ARG_INFO(0, user_class_name)
     188             :         ZEND_ARG_INFO(0, alias_name)
     189             :         ZEND_ARG_INFO(0, autoload)
     190             : ZEND_END_ARG_INFO()
     191             : 
     192             : #if ZEND_DEBUG
     193             : ZEND_BEGIN_ARG_INFO_EX(arginfo_leak_variable, 0, 0, 1)
     194             :         ZEND_ARG_INFO(0, variable)
     195             :         ZEND_ARG_INFO(0, leak_data)
     196             : ZEND_END_ARG_INFO()
     197             : #endif
     198             : 
     199             : ZEND_BEGIN_ARG_INFO_EX(arginfo_trigger_error, 0, 0, 1)
     200             :         ZEND_ARG_INFO(0, message)
     201             :         ZEND_ARG_INFO(0, error_type)
     202             : ZEND_END_ARG_INFO()
     203             : 
     204             : ZEND_BEGIN_ARG_INFO_EX(arginfo_set_error_handler, 0, 0, 1)
     205             :         ZEND_ARG_INFO(0, error_handler)
     206             :         ZEND_ARG_INFO(0, error_types)
     207             : ZEND_END_ARG_INFO()
     208             : 
     209             : ZEND_BEGIN_ARG_INFO_EX(arginfo_set_exception_handler, 0, 0, 1)
     210             :         ZEND_ARG_INFO(0, exception_handler)
     211             : ZEND_END_ARG_INFO()
     212             : 
     213             : ZEND_BEGIN_ARG_INFO_EX(arginfo_create_function, 0, 0, 2)
     214             :         ZEND_ARG_INFO(0, args)
     215             :         ZEND_ARG_INFO(0, code)
     216             : ZEND_END_ARG_INFO()
     217             : 
     218             : ZEND_BEGIN_ARG_INFO_EX(arginfo_get_resource_type, 0, 0, 1)
     219             :         ZEND_ARG_INFO(0, res)
     220             : ZEND_END_ARG_INFO()
     221             : 
     222             : ZEND_BEGIN_ARG_INFO_EX(arginfo_get_resources, 0, 0, 0)
     223             :         ZEND_ARG_INFO(0, type)
     224             : ZEND_END_ARG_INFO()
     225             : 
     226             : ZEND_BEGIN_ARG_INFO_EX(arginfo_get_loaded_extensions, 0, 0, 0)
     227             :         ZEND_ARG_INFO(0, zend_extensions)
     228             : ZEND_END_ARG_INFO()
     229             : 
     230             : ZEND_BEGIN_ARG_INFO_EX(arginfo_get_defined_constants, 0, 0, 0)
     231             :         ZEND_ARG_INFO(0, categorize)
     232             : ZEND_END_ARG_INFO()
     233             : 
     234             : ZEND_BEGIN_ARG_INFO_EX(arginfo_debug_backtrace, 0, 0, 0)
     235             :         ZEND_ARG_INFO(0, options)
     236             :         ZEND_ARG_INFO(0, limit)
     237             : ZEND_END_ARG_INFO()
     238             : 
     239             : ZEND_BEGIN_ARG_INFO_EX(arginfo_debug_print_backtrace, 0, 0, 0)
     240             :         ZEND_ARG_INFO(0, options)
     241             : ZEND_END_ARG_INFO()
     242             : 
     243             : ZEND_BEGIN_ARG_INFO_EX(arginfo_extension_loaded, 0, 0, 1)
     244             :         ZEND_ARG_INFO(0, extension_name)
     245             : ZEND_END_ARG_INFO()
     246             : /* }}} */
     247             : 
     248             : static const zend_function_entry builtin_functions[] = { /* {{{ */
     249             :         ZEND_FE(zend_version,           arginfo_zend__void)
     250             :         ZEND_FE(func_num_args,          arginfo_zend__void)
     251             :         ZEND_FE(func_get_arg,           arginfo_func_get_arg)
     252             :         ZEND_FE(func_get_args,          arginfo_zend__void)
     253             :         ZEND_FE(strlen,                 arginfo_strlen)
     254             :         ZEND_FE(strcmp,                 arginfo_strcmp)
     255             :         ZEND_FE(strncmp,                arginfo_strncmp)
     256             :         ZEND_FE(strcasecmp,             arginfo_strcmp)
     257             :         ZEND_FE(strncasecmp,            arginfo_strncmp)
     258             :         ZEND_FE(each,                   arginfo_each)
     259             :         ZEND_FE(error_reporting,        arginfo_error_reporting)
     260             :         ZEND_FE(define,                 arginfo_define)
     261             :         ZEND_FE(defined,                arginfo_defined)
     262             :         ZEND_FE(get_class,              arginfo_get_class)
     263             :         ZEND_FE(get_called_class,       arginfo_zend__void)
     264             :         ZEND_FE(get_parent_class,       arginfo_get_class)
     265             :         ZEND_FE(method_exists,          arginfo_method_exists)
     266             :         ZEND_FE(property_exists,        arginfo_property_exists)
     267             :         ZEND_FE(class_exists,           arginfo_class_exists)
     268             :         ZEND_FE(interface_exists,       arginfo_class_exists)
     269             :         ZEND_FE(trait_exists,           arginfo_trait_exists)
     270             :         ZEND_FE(function_exists,        arginfo_function_exists)
     271             :         ZEND_FE(class_alias,            arginfo_class_alias)
     272             : #if ZEND_DEBUG
     273             :         ZEND_FE(leak,                           NULL)
     274             :         ZEND_FE(leak_variable,          arginfo_leak_variable)
     275             : #ifdef ZEND_TEST_EXCEPTIONS
     276             :         ZEND_FE(crash,                          NULL)
     277             : #endif
     278             : #endif
     279             :         ZEND_FE(get_included_files,     arginfo_zend__void)
     280             :         ZEND_FALIAS(get_required_files, get_included_files,             arginfo_zend__void)
     281             :         ZEND_FE(is_subclass_of,         arginfo_is_subclass_of)
     282             :         ZEND_FE(is_a,                   arginfo_is_subclass_of)
     283             :         ZEND_FE(get_class_vars,         arginfo_get_class_vars)
     284             :         ZEND_FE(get_object_vars,        arginfo_get_object_vars)
     285             :         ZEND_FE(get_class_methods,      arginfo_get_class_methods)
     286             :         ZEND_FE(trigger_error,          arginfo_trigger_error)
     287             :         ZEND_FALIAS(user_error,         trigger_error,          arginfo_trigger_error)
     288             :         ZEND_FE(set_error_handler,              arginfo_set_error_handler)
     289             :         ZEND_FE(restore_error_handler,          arginfo_zend__void)
     290             :         ZEND_FE(set_exception_handler,          arginfo_set_exception_handler)
     291             :         ZEND_FE(restore_exception_handler,      arginfo_zend__void)
     292             :         ZEND_FE(get_declared_classes,           arginfo_zend__void)
     293             :         ZEND_FE(get_declared_traits,            arginfo_zend__void)
     294             :         ZEND_FE(get_declared_interfaces,        arginfo_zend__void)
     295             :         ZEND_FE(get_defined_functions,          arginfo_zend__void)
     296             :         ZEND_FE(get_defined_vars,               arginfo_zend__void)
     297             :         ZEND_FE(create_function,                arginfo_create_function)
     298             :         ZEND_FE(get_resource_type,              arginfo_get_resource_type)
     299             :         ZEND_FE(get_resources,                  arginfo_get_resources)
     300             :         ZEND_FE(get_loaded_extensions,          arginfo_get_loaded_extensions)
     301             :         ZEND_FE(extension_loaded,               arginfo_extension_loaded)
     302             :         ZEND_FE(get_extension_funcs,            arginfo_extension_loaded)
     303             :         ZEND_FE(get_defined_constants,          arginfo_get_defined_constants)
     304             :         ZEND_FE(debug_backtrace,                arginfo_debug_backtrace)
     305             :         ZEND_FE(debug_print_backtrace,          arginfo_debug_print_backtrace)
     306             : #if ZEND_DEBUG
     307             :         ZEND_FE(zend_test_func,         NULL)
     308             : #ifdef ZTS
     309             :         ZEND_FE(zend_thread_id,         NULL)
     310             : #endif
     311             : #endif
     312             :         ZEND_FE(gc_collect_cycles,      arginfo_zend__void)
     313             :         ZEND_FE(gc_enabled,             arginfo_zend__void)
     314             :         ZEND_FE(gc_enable,              arginfo_zend__void)
     315             :         ZEND_FE(gc_disable,             arginfo_zend__void)
     316             :         ZEND_FE_END
     317             : };
     318             : /* }}} */
     319             : 
     320       20507 : ZEND_MINIT_FUNCTION(core) { /* {{{ */
     321             :         zend_class_entry class_entry;
     322             : 
     323       20507 :         INIT_CLASS_ENTRY(class_entry, "stdClass", NULL);
     324       20507 :         zend_standard_class_def = zend_register_internal_class(&class_entry TSRMLS_CC);
     325             : 
     326       20507 :         zend_register_default_classes(TSRMLS_C);
     327             : 
     328       20507 :         return SUCCESS;
     329             : }
     330             : /* }}} */
     331             : 
     332             : zend_module_entry zend_builtin_module = { /* {{{ */
     333             :     STANDARD_MODULE_HEADER,
     334             :         "Core",
     335             :         builtin_functions,
     336             :         ZEND_MINIT(core),
     337             :         NULL,
     338             :         NULL,
     339             :         NULL,
     340             :         NULL,
     341             :         ZEND_VERSION,
     342             :         STANDARD_MODULE_PROPERTIES
     343             : };
     344             : /* }}} */
     345             : 
     346       20507 : int zend_startup_builtin_functions(TSRMLS_D) /* {{{ */
     347             : {
     348       20507 :         zend_builtin_module.module_number = 0;
     349       20507 :         zend_builtin_module.type = MODULE_PERSISTENT;
     350       20507 :         return (EG(current_module) = zend_register_module_ex(&zend_builtin_module TSRMLS_CC)) == NULL ? FAILURE : SUCCESS;
     351             : }
     352             : /* }}} */
     353             : 
     354             : /* {{{ proto string zend_version(void)
     355             :    Get the version of the Zend Engine */
     356         143 : ZEND_FUNCTION(zend_version)
     357             : {
     358         286 :         RETURN_STRINGL(ZEND_VERSION, sizeof(ZEND_VERSION)-1);
     359             : }
     360             : /* }}} */
     361             : 
     362             : /* {{{ proto int gc_collect_cycles(void)
     363             :    Forces collection of any existing garbage cycles.
     364             :    Returns number of freed zvals */
     365          47 : ZEND_FUNCTION(gc_collect_cycles)
     366             : {
     367          47 :         RETURN_LONG(gc_collect_cycles(TSRMLS_C));
     368             : }
     369             : /* }}} */
     370             : 
     371             : /* {{{ proto void gc_enabled(void)
     372             :    Returns status of the circular reference collector */
     373           6 : ZEND_FUNCTION(gc_enabled)
     374             : {
     375           6 :         RETURN_BOOL(GC_G(gc_enabled));
     376             : }
     377             : /* }}} */
     378             : 
     379             : /* {{{ proto void gc_enable(void)
     380             :    Activates the circular reference collector */
     381           6 : ZEND_FUNCTION(gc_enable)
     382             : {
     383           6 :         zend_string *key = zend_string_init("zend.enable_gc", sizeof("zend.enable_gc")-1, 0);
     384           6 :         zend_alter_ini_entry_chars(key, "1", sizeof("1")-1, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
     385             :         zend_string_release(key);
     386           6 : }
     387             : /* }}} */
     388             : 
     389             : /* {{{ proto void gc_disable(void)
     390             :    Deactivates the circular reference collector */
     391           3 : ZEND_FUNCTION(gc_disable)
     392             : {
     393           3 :         zend_string *key = zend_string_init("zend.enable_gc", sizeof("zend.enable_gc")-1, 0);
     394           3 :         zend_alter_ini_entry_chars(key, "0", sizeof("0")-1, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
     395             :         zend_string_release(key);
     396           3 : }
     397             : /* }}} */
     398             : 
     399             : /* {{{ proto int func_num_args(void)
     400             :    Get the number of arguments that were passed to the function */
     401          16 : ZEND_FUNCTION(func_num_args)
     402             : {
     403          16 :         zend_execute_data *ex = EX(prev_execute_data);
     404             : 
     405          16 :         if (VM_FRAME_KIND(ex->frame_info) == VM_FRAME_NESTED_FUNCTION || VM_FRAME_KIND(ex->frame_info) == VM_FRAME_TOP_FUNCTION) {
     406          14 :                 RETURN_LONG(ex->num_args);
     407             :         } else {
     408           2 :                 zend_error(E_WARNING, "func_num_args():  Called from the global scope - no function context");
     409           2 :                 RETURN_LONG(-1);
     410             :         }
     411             : }
     412             : /* }}} */
     413             : 
     414             : /* {{{ proto mixed func_get_arg(int arg_num)
     415             :    Get the $arg_num'th argument that was passed to the function */
     416          42 : ZEND_FUNCTION(func_get_arg)
     417             : {
     418             :         uint32_t arg_count, first_extra_arg;
     419             :         zval *arg;
     420             :         zend_long requested_offset;
     421             :         zend_execute_data *ex;
     422             : 
     423          42 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &requested_offset) == FAILURE) {
     424           5 :                 return;
     425             :         }
     426             : 
     427          37 :         if (requested_offset < 0) {
     428           4 :                 zend_error(E_WARNING, "func_get_arg():  The argument number should be >= 0");
     429           4 :                 RETURN_FALSE;
     430             :         }
     431             : 
     432          33 :         ex = EX(prev_execute_data);
     433          33 :         if (VM_FRAME_KIND(ex->frame_info) != VM_FRAME_NESTED_FUNCTION && VM_FRAME_KIND(ex->frame_info) != VM_FRAME_TOP_FUNCTION) {
     434           3 :                 zend_error(E_WARNING, "func_get_arg():  Called from the global scope - no function context");
     435           3 :                 RETURN_FALSE;
     436             :         }
     437             : 
     438          30 :         arg_count = ex->num_args;
     439             : 
     440          30 :         if (requested_offset >= arg_count) {
     441          16 :                 zend_error(E_WARNING, "func_get_arg():  Argument " ZEND_LONG_FMT " not passed to function", requested_offset);
     442          16 :                 RETURN_FALSE;
     443             :         }
     444             : 
     445          14 :         first_extra_arg = ex->func->op_array.num_args;
     446          14 :         if (ex->func->op_array.fn_flags & ZEND_ACC_VARIADIC) {
     447           0 :                 first_extra_arg--;
     448             :         }
     449          19 :         if (requested_offset >= first_extra_arg && (ex->num_args > first_extra_arg)) {
     450           5 :                 arg = EX_VAR_NUM_2(ex, ex->func->op_array.last_var + ex->func->op_array.T) + (requested_offset - first_extra_arg);
     451             :         } else {
     452           9 :                 arg = ZEND_CALL_ARG(ex, requested_offset + 1);
     453             :         }
     454          56 :         RETURN_ZVAL_FAST(arg);
     455             : }
     456             : /* }}} */
     457             : 
     458             : /* {{{ proto array func_get_args()
     459             :    Get an array of the arguments that were passed to the function */
     460          81 : ZEND_FUNCTION(func_get_args)
     461             : {
     462             :         zval *p;
     463             :         uint32_t arg_count, first_extra_arg;
     464             :         uint32_t i;
     465          81 :         zend_execute_data *ex = EX(prev_execute_data);
     466             : 
     467          81 :         if (VM_FRAME_KIND(ex->frame_info) != VM_FRAME_NESTED_FUNCTION && VM_FRAME_KIND(ex->frame_info) != VM_FRAME_TOP_FUNCTION) {
     468           2 :                 zend_error(E_WARNING, "func_get_args():  Called from the global scope - no function context");
     469           2 :                 RETURN_FALSE;
     470             :         }
     471             : 
     472          79 :         arg_count = ex->num_args;
     473             : 
     474          79 :         array_init_size(return_value, arg_count);
     475          79 :         if (arg_count) {
     476             :                 Bucket *q;              
     477             : 
     478          57 :                 first_extra_arg = ex->func->op_array.num_args;
     479          57 :                 if (ex->func->op_array.fn_flags & ZEND_ACC_VARIADIC) {
     480           0 :                         first_extra_arg--;
     481             :                 }
     482          57 :                 zend_hash_real_init(Z_ARRVAL_P(return_value), 1);
     483          57 :                 i = 0;
     484          57 :                 q = Z_ARRVAL_P(return_value)->arData;
     485          57 :                 p = ZEND_CALL_ARG(ex, 1);
     486          57 :                 if (ex->num_args > first_extra_arg) {
     487          72 :                         while (i < first_extra_arg) {
     488           2 :                                 q->h = i;
     489           2 :                                 q->key = NULL;
     490           2 :                                 if (!Z_ISREF_P(p)) {
     491           2 :                                         ZVAL_COPY(&q->val, p);
     492             :                                 } else {
     493           0 :                                         ZVAL_DUP(&q->val, Z_REFVAL_P(p));
     494             :                             }
     495           2 :                                 p++;
     496           2 :                                 q++;
     497           2 :                                 i++;
     498             :                         }
     499          35 :                         p = EX_VAR_NUM_2(ex, ex->func->op_array.last_var + ex->func->op_array.T);
     500             :                 }
     501         197 :                 while (i < arg_count) {
     502          83 :                         q->h = i;
     503          83 :                         q->key = NULL;
     504          83 :                         if (!Z_ISREF_P(p)) {
     505          79 :                                 ZVAL_COPY(&q->val, p);
     506             :                         } else {
     507           4 :                                 ZVAL_DUP(&q->val, Z_REFVAL_P(p));
     508             :                     }
     509          83 :                         p++;
     510          83 :                         q++;
     511          83 :                         i++;
     512             :                 }
     513          57 :                 Z_ARRVAL_P(return_value)->nNumUsed = i;
     514          57 :                 Z_ARRVAL_P(return_value)->nNumOfElements = i;
     515          57 :                 Z_ARRVAL_P(return_value)->nNextFreeElement = i + 1;
     516          57 :                 Z_ARRVAL_P(return_value)->nInternalPointer = 0;
     517             :         }
     518             : }
     519             : /* }}} */
     520             : 
     521             : /* {{{ proto int strlen(string str)
     522             :    Get string length
     523             :    Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
     524         171 : ZEND_FUNCTION(strlen)
     525             : {
     526             :         zend_string *s;
     527             : 
     528             : #ifndef FAST_ZPP
     529             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "S", &s) == FAILURE) {
     530             :                 return;
     531             :         }
     532             : #else
     533         171 :         ZEND_PARSE_PARAMETERS_START(1, 1)
     534         498 :                 Z_PARAM_STR(s)
     535         171 :         ZEND_PARSE_PARAMETERS_END();
     536             : #endif
     537             : 
     538         164 :         RETVAL_LONG(s->len);
     539             : }
     540             : /* }}} */
     541             : 
     542             : /* {{{ proto int strcmp(string str1, string str2)
     543             :    Binary safe string comparison */
     544      308468 : ZEND_FUNCTION(strcmp)
     545             : {
     546             :         zend_string *s1, *s2;
     547             :         
     548      308468 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "SS", &s1, &s2) == FAILURE) {
     549           5 :                 return;
     550             :         }
     551             : 
     552      308463 :         RETURN_LONG(zend_binary_strcmp(s1->val, s1->len, s2->val, s2->len));
     553             : }
     554             : /* }}} */
     555             : 
     556             : /* {{{ proto int strncmp(string str1, string str2, int len)
     557             :    Binary safe string comparison */
     558       14222 : ZEND_FUNCTION(strncmp)
     559             : {
     560             :         zend_string *s1, *s2;
     561             :         zend_long len;
     562             : 
     563       14222 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "SSl", &s1, &s2, &len) == FAILURE) {
     564          20 :                 return;
     565             :         }
     566             : 
     567       14202 :         if (len < 0) {
     568           3 :                 zend_error(E_WARNING, "Length must be greater than or equal to 0");
     569           3 :                 RETURN_FALSE;
     570             :         }
     571             : 
     572       14199 :         RETURN_LONG(zend_binary_strncmp(s1->val, s1->len, s2->val, s2->len, len));
     573             : }
     574             : /* }}} */
     575             : 
     576             : /* {{{ proto int strcasecmp(string str1, string str2)
     577             :    Binary safe case-insensitive string comparison */
     578         805 : ZEND_FUNCTION(strcasecmp)
     579             : {
     580             :         zend_string *s1, *s2;
     581             :         
     582         805 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "SS", &s1, &s2) == FAILURE) {
     583           6 :                 return;
     584             :         }
     585             : 
     586         799 :         RETURN_LONG(zend_binary_strcasecmp(s1->val, s1->len, s2->val, s2->len));
     587             : }
     588             : /* }}} */
     589             : 
     590             : /* {{{ proto int strncasecmp(string str1, string str2, int len)
     591             :    Binary safe string comparison */
     592       19917 : ZEND_FUNCTION(strncasecmp)
     593             : {
     594             :         zend_string *s1, *s2;
     595             :         zend_long len;
     596             : 
     597       19917 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "SSl", &s1, &s2, &len) == FAILURE) {
     598          32 :                 return;
     599             :         }
     600             : 
     601       19885 :         if (len < 0) {
     602           3 :                 zend_error(E_WARNING, "Length must be greater than or equal to 0");
     603           3 :                 RETURN_FALSE;
     604             :         }
     605             : 
     606       19882 :         RETURN_LONG(zend_binary_strncasecmp(s1->val, s1->len, s2->val, s2->len, len));
     607             : }
     608             : /* }}} */
     609             : 
     610             : /* {{{ proto array each(array arr)
     611             :    Return the currently pointed key..value pair in the passed array, and advance the pointer to the next element */
     612        1460 : ZEND_FUNCTION(each)
     613             : {
     614             :         zval *array, *entry, tmp;
     615             :         zend_ulong num_key;
     616             :         HashTable *target_hash;
     617             :         zend_string *key;
     618             : 
     619        1460 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z/", &array) == FAILURE) {
     620           5 :                 return;
     621             :         }
     622             : 
     623        2945 :         target_hash = HASH_OF(array);
     624        1455 :         if (!target_hash) {
     625          29 :                 zend_error(E_WARNING,"Variable passed to each() is not an array or object");
     626          29 :                 return;
     627             :         }
     628             :         while (1) {
     629        1426 :                 entry = zend_hash_get_current_data(target_hash);
     630        1426 :                 if (!entry) {
     631          59 :                         RETURN_FALSE;
     632        1367 :                 } else if (Z_TYPE_P(entry) == IS_INDIRECT) {
     633           3 :                         entry = Z_INDIRECT_P(entry);
     634           3 :                         if (Z_TYPE_P(entry) == IS_UNDEF) {
     635           0 :                                 zend_hash_move_forward(target_hash);
     636           0 :                                 continue;
     637             :                         }
     638             :                 }
     639        1367 :                 break;
     640           0 :         }
     641        1367 :         array_init_size(return_value, 4);
     642        1367 :         zend_hash_real_init(Z_ARRVAL_P(return_value), 0);
     643             : 
     644             :         /* add value elements */
     645        1367 :         if (Z_ISREF_P(entry)) {
     646           3 :                 ZVAL_DUP(&tmp, Z_REFVAL_P(entry));
     647           3 :                 entry = &tmp;
     648           3 :                 if (Z_REFCOUNTED_P(entry)) Z_ADDREF_P(entry);
     649             :         } else {
     650        1364 :                 if (Z_REFCOUNTED_P(entry)) Z_ADDREF_P(entry);
     651        1364 :                 if (Z_REFCOUNTED_P(entry)) Z_ADDREF_P(entry);
     652             :         }
     653        1367 :         zend_hash_index_add_new(Z_ARRVAL_P(return_value), 1, entry);
     654        1367 :         zend_hash_str_add_new(Z_ARRVAL_P(return_value), "value", sizeof("value")-1, entry);
     655             : 
     656             :         /* add the key elements */
     657        1367 :         if (zend_hash_get_current_key(target_hash, &key, &num_key, 0) == HASH_KEY_IS_STRING) {
     658          43 :                 ZVAL_STR_COPY(&tmp, key);
     659          43 :                 if (Z_REFCOUNTED(tmp)) Z_ADDREF(tmp);
     660             :         } else {
     661        1324 :                 ZVAL_LONG(&tmp, num_key);
     662             :         }
     663        1367 :         zend_hash_index_add_new(Z_ARRVAL_P(return_value), 0, &tmp);
     664        1367 :         zend_hash_str_add_new(Z_ARRVAL_P(return_value), "key", sizeof("key")-1, &tmp);
     665        1367 :         zend_hash_move_forward(target_hash);
     666             : }
     667             : /* }}} */
     668             : 
     669             : /* {{{ proto int error_reporting([int new_error_level])
     670             :    Return the current error_reporting level, and if an argument was passed - change to the new level */
     671        2409 : ZEND_FUNCTION(error_reporting)
     672             : {
     673             :         zend_string *err;
     674             :         int old_error_reporting;
     675             : 
     676        2409 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|S", &err) == FAILURE) {
     677           0 :                 return;
     678             :         }
     679             : 
     680        2409 :         old_error_reporting = EG(error_reporting);
     681        2409 :         if(ZEND_NUM_ARGS() != 0) {
     682         380 :                 zend_string *key = zend_string_init("error_reporting", sizeof("error_reporting")-1, 0);
     683         380 :                 zend_alter_ini_entry(key, err, ZEND_INI_USER, ZEND_INI_STAGE_RUNTIME);
     684             :                 zend_string_release(key);
     685             :         }
     686             : 
     687        2409 :         RETVAL_LONG(old_error_reporting);
     688             : }
     689             : /* }}} */
     690             : 
     691             : /* {{{ proto bool define(string constant_name, mixed value, boolean case_insensitive=false)
     692             :    Define a new constant */
     693        3237 : ZEND_FUNCTION(define)
     694             : {
     695             :         zend_string *name;
     696             :         zval *val, val_free;
     697        3237 :         zend_bool non_cs = 0;
     698        3237 :         int case_sensitive = CONST_CS;
     699             :         zend_constant c;
     700             : 
     701             : #ifndef FAST_ZPP
     702             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Sz|b", &name, &val, &non_cs) == FAILURE) {
     703             :                 return;
     704             :         }
     705             : #else
     706        3237 :         ZEND_PARSE_PARAMETERS_START(2, 3)
     707        9705 :                 Z_PARAM_STR(name)
     708        3234 :                 Z_PARAM_ZVAL(val)
     709        3234 :                 Z_PARAM_OPTIONAL
     710        3490 :                 Z_PARAM_BOOL(non_cs)
     711        3237 :         ZEND_PARSE_PARAMETERS_END();
     712             : #endif
     713             : 
     714        3233 :         if(non_cs) {
     715         127 :                 case_sensitive = 0;
     716             :         }
     717             : 
     718             :         /* class constant, check if there is name and make sure class is valid & exists */
     719        6466 :         if (zend_memnstr(name->val, "::", sizeof("::") - 1, name->val + name->len)) {
     720           3 :                 zend_error(E_WARNING, "Class constants cannot be defined or redefined");
     721           3 :                 RETURN_FALSE;
     722             :         }
     723             : 
     724        3230 :         ZVAL_UNDEF(&val_free);
     725             : 
     726             : repeat:
     727        6460 :         switch (Z_TYPE_P(val)) {
     728             :                 case IS_LONG:
     729             :                 case IS_DOUBLE:
     730             :                 case IS_STRING:
     731             :                 case IS_FALSE:
     732             :                 case IS_TRUE:
     733             :                 case IS_RESOURCE:
     734             :                 case IS_NULL:
     735        3225 :                         break;
     736             :                 case IS_OBJECT:
     737           4 :                         if (Z_TYPE(val_free) == IS_UNDEF) {
     738           4 :                                 if (Z_OBJ_HT_P(val)->get) {
     739             :                                         zval rv;
     740           0 :                                         val = Z_OBJ_HT_P(val)->get(val, &rv TSRMLS_CC);
     741           0 :                                         ZVAL_COPY_VALUE(&val_free, val);
     742           0 :                                         goto repeat;
     743           4 :                                 } else if (Z_OBJ_HT_P(val)->cast_object) {
     744           4 :                                         if (Z_OBJ_HT_P(val)->cast_object(val, &val_free, IS_STRING TSRMLS_CC) == SUCCESS) {
     745           1 :                                                 val = &val_free;
     746           1 :                                                 break;
     747             :                                         }
     748             :                                 }
     749             :                         }
     750             :                         /* no break */
     751             :                 default:
     752           4 :                         zend_error(E_WARNING,"Constants may only evaluate to scalar values");
     753           4 :                         zval_ptr_dtor(&val_free);
     754           4 :                         RETURN_FALSE;
     755             :         }
     756             :         
     757        3226 :         ZVAL_DUP(&c.value, val);
     758        3226 :         zval_ptr_dtor(&val_free);
     759        3226 :         c.flags = case_sensitive; /* non persistent */
     760        6452 :         c.name = zend_string_copy(name);
     761        3226 :         c.module_number = PHP_USER_CONSTANT;
     762        3226 :         if (zend_register_constant(&c TSRMLS_CC) == SUCCESS) {
     763        3220 :                 RETURN_TRUE;
     764             :         } else {
     765           6 :                 RETURN_FALSE;
     766             :         }
     767             : }
     768             : /* }}} */
     769             : 
     770             : /* {{{ proto bool defined(string constant_name)
     771             :    Check whether a constant exists
     772             :    Warning: This function is special-cased by zend_compile.c and so is usually bypassed */
     773          23 : ZEND_FUNCTION(defined)
     774             : {
     775             :         zend_string *name;
     776             : 
     777             : #ifndef FAST_ZPP
     778             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "S", &name) == FAILURE) {
     779             :                 return;
     780             :         }
     781             : #else
     782          23 :         ZEND_PARSE_PARAMETERS_START(1, 1)
     783          69 :                 Z_PARAM_STR(name)
     784          23 :         ZEND_PARSE_PARAMETERS_END();
     785             : #endif
     786             :         
     787          23 :         if (zend_get_constant_ex(name, NULL, ZEND_FETCH_CLASS_SILENT TSRMLS_CC)) {
     788          13 :                 RETURN_TRUE;
     789             :         } else {
     790          10 :                 RETURN_FALSE;
     791             :         }
     792             : }
     793             : /* }}} */
     794             : 
     795             : /* {{{ proto string get_class([object object])
     796             :    Retrieves the class name */
     797         647 : ZEND_FUNCTION(get_class)
     798             : {
     799         647 :         zval *obj = NULL;
     800             : 
     801         647 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|o!", &obj) == FAILURE) {
     802          24 :                 RETURN_FALSE;
     803             :         }
     804             : 
     805         623 :         if (!obj) {
     806          12 :                 if (EG(scope)) {
     807          14 :                         RETURN_STR(zend_string_copy(EG(scope)->name));
     808             :                 } else {
     809           5 :                         zend_error(E_WARNING, "get_class() called without object from outside a class");
     810           5 :                         RETURN_FALSE;
     811             :                 }
     812             :         }
     813             : 
     814        1222 :         RETURN_STR(zend_string_copy(Z_OBJCE_P(obj)->name));
     815             : }
     816             : /* }}} */
     817             : 
     818             : /* {{{ proto string get_called_class()
     819             :    Retrieves the "Late Static Binding" class name */
     820          35 : ZEND_FUNCTION(get_called_class)
     821             : {
     822          35 :         if (zend_parse_parameters_none() == FAILURE) {
     823           0 :                 return;
     824             :         }
     825             : 
     826          35 :         if (EX(called_scope)) {
     827          66 :                 RETURN_STR(zend_string_copy(EX(called_scope)->name));
     828           2 :         } else if (!EG(scope))  {
     829           2 :                 zend_error(E_WARNING, "get_called_class() called from outside a class");
     830             :         }
     831           2 :         RETURN_FALSE;
     832             : }
     833             : /* }}} */
     834             : 
     835             : /* {{{ proto string get_parent_class([mixed object])
     836             :    Retrieves the parent class name for object or class or current scope. */
     837          59 : ZEND_FUNCTION(get_parent_class)
     838             : {
     839             :         zval *arg;
     840          59 :         zend_class_entry *ce = NULL;
     841             :         
     842          59 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|z", &arg) == FAILURE) {
     843           1 :                 return;
     844             :         }
     845             : 
     846          58 :         if (!ZEND_NUM_ARGS()) {
     847           5 :                 ce = EG(scope);
     848           5 :                 if (ce && ce->parent) {
     849           4 :                         RETURN_STR(zend_string_copy(ce->parent->name));
     850             :                 } else {
     851           3 :                         RETURN_FALSE;
     852             :                 }
     853             :         }
     854             : 
     855         106 :         if (Z_TYPE_P(arg) == IS_OBJECT) {
     856          17 :                 ce = Z_OBJ_P(arg)->ce;
     857          72 :         } else if (Z_TYPE_P(arg) == IS_STRING) {
     858          12 :             ce = zend_lookup_class(Z_STR_P(arg) TSRMLS_CC);
     859             :         }
     860             : 
     861          53 :         if (ce && ce->parent) {
     862          10 :                 RETURN_STR(zend_string_copy(ce->parent->name));
     863             :         } else {
     864          48 :                 RETURN_FALSE;
     865             :         }
     866             : }
     867             : /* }}} */
     868             : 
     869         359 : static void is_a_impl(INTERNAL_FUNCTION_PARAMETERS, zend_bool only_subclass) /* {{{ */
     870             : {
     871             :         zval *obj;
     872             :         zend_string *class_name;
     873             :         zend_class_entry *instance_ce;
     874             :         zend_class_entry *ce;
     875         359 :         zend_bool allow_string = only_subclass;
     876             :         zend_bool retval;
     877             : 
     878             : #ifndef FAST_ZPP
     879             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zS|b", &obj, &class_name, &allow_string) == FAILURE) {
     880             :                 return;
     881             :         }
     882             : #else
     883         359 :         ZEND_PARSE_PARAMETERS_START(2, 3)
     884         355 :                 Z_PARAM_ZVAL(obj)
     885        1065 :                 Z_PARAM_STR(class_name)
     886         344 :                 Z_PARAM_OPTIONAL
     887         510 :                 Z_PARAM_BOOL(allow_string)
     888         359 :         ZEND_PARSE_PARAMETERS_END();
     889             : #endif
     890             :         /*
     891             :          * allow_string - is_a default is no, is_subclass_of is yes. 
     892             :          *   if it's allowed, then the autoloader will be called if the class does not exist.
     893             :          *   default behaviour is different, as 'is_a' used to be used to test mixed return values
     894             :          *   and there is no easy way to deprecate this.
     895             :          */
     896             : 
     897         576 :         if (allow_string && Z_TYPE_P(obj) == IS_STRING) {
     898          92 :                 instance_ce = zend_lookup_class(Z_STR_P(obj) TSRMLS_CC);
     899          92 :                 if (!instance_ce) {
     900          48 :                         RETURN_FALSE;
     901             :                 }
     902         500 :         } else if (Z_TYPE_P(obj) == IS_OBJECT) {
     903         100 :                 instance_ce = Z_OBJCE_P(obj);
     904             :         } else {
     905         150 :                 RETURN_FALSE;
     906             :         }
     907             : 
     908         144 :         ce = zend_lookup_class_ex(class_name, NULL, 0 TSRMLS_CC);
     909         144 :         if (!ce) {
     910          63 :                 retval = 0;
     911             :         } else {
     912          96 :                 if (only_subclass && instance_ce == ce) {
     913          15 :                         retval = 0;
     914             :                 } else {
     915          66 :                         retval = instanceof_function(instance_ce, ce TSRMLS_CC);
     916             :                 }
     917             :         }
     918             : 
     919         144 :         RETURN_BOOL(retval);
     920             : }
     921             : /* }}} */
     922             : 
     923             : /* {{{ proto bool is_subclass_of(mixed object_or_string, string class_name [, bool allow_string=true])
     924             :    Returns true if the object has this class as one of its parents */
     925         199 : ZEND_FUNCTION(is_subclass_of)
     926             : {
     927         199 :         is_a_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
     928         199 : }
     929             : /* }}} */
     930             : 
     931             : /* {{{ proto bool is_a(mixed object_or_string, string class_name [, bool allow_string=false])
     932             :    Returns true if the first argument is an object and is this class or has this class as one of its parents, */
     933         160 : ZEND_FUNCTION(is_a)
     934             : {
     935         160 :         is_a_impl(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
     936         160 : }
     937             : /* }}} */
     938             : 
     939             : /* {{{ add_class_vars */
     940          76 : static void add_class_vars(zend_class_entry *ce, int statics, zval *return_value TSRMLS_DC)
     941             : {
     942             :         zend_property_info *prop_info;
     943             :         zval *prop, prop_copy;
     944             :         zend_string *key;
     945             : 
     946         884 :         ZEND_HASH_FOREACH_STR_KEY_PTR(&ce->properties_info, key, prop_info) {
     947        1380 :                 if (((prop_info->flags & ZEND_ACC_SHADOW) &&
     948          18 :                      prop_info->ce != EG(scope)) ||
     949         388 :                     ((prop_info->flags & ZEND_ACC_PROTECTED) &&
     950          80 :                      !zend_check_protected(prop_info->ce, EG(scope))) ||
     951         364 :                     ((prop_info->flags & ZEND_ACC_PRIVATE) &&
     952          74 :                       ce != EG(scope) &&
     953          52 :                           prop_info->ce != EG(scope))) {
     954          92 :                         continue;
     955             :                 }
     956         312 :                 prop = NULL;
     957         350 :                 if (statics && (prop_info->flags & ZEND_ACC_STATIC) != 0) {
     958          38 :                         prop = &ce->default_static_members_table[prop_info->offset];
     959         274 :                 } else if (!statics && (prop_info->flags & ZEND_ACC_STATIC) == 0) {
     960         118 :                         prop = &ce->default_properties_table[OBJ_PROP_TO_NUM(prop_info->offset)];
     961             :                 }
     962         468 :                 if (!prop || Z_TYPE_P(prop) == IS_UNDEF) {
     963         156 :                         continue;
     964             :                 }
     965             : 
     966             :                 /* copy: enforce read only access */
     967         156 :                 ZVAL_DEREF(prop);
     968         156 :                 if (UNEXPECTED(Z_COPYABLE_P(prop))) {
     969          35 :                         ZVAL_DUP(&prop_copy, prop);
     970          35 :                         prop = &prop_copy;
     971             :                 }
     972             : 
     973             :                 /* this is necessary to make it able to work with default array
     974             :                  * properties, returned to user */
     975         156 :                 if (Z_OPT_CONSTANT_P(prop)) {
     976           0 :                         zval_update_constant(prop, 0 TSRMLS_CC);
     977             :                 }
     978             : 
     979         156 :                 zend_hash_add_new(Z_ARRVAL_P(return_value), key, prop);
     980             :         } ZEND_HASH_FOREACH_END();
     981          76 : }
     982             : /* }}} */
     983             : 
     984             : /* {{{ proto array get_class_vars(string class_name)
     985             :    Returns an array of default properties of the class. */
     986          65 : ZEND_FUNCTION(get_class_vars)
     987             : {
     988             :         zend_string *class_name;
     989             :         zend_class_entry *ce;
     990             : 
     991          65 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "S", &class_name) == FAILURE) {
     992           7 :                 return;
     993             :         }
     994             : 
     995          58 :         ce = zend_lookup_class(class_name TSRMLS_CC);
     996          58 :         if (!ce) {
     997          20 :                 RETURN_FALSE;
     998             :         } else {
     999          38 :                 array_init(return_value);
    1000          38 :                 zend_update_class_constants(ce TSRMLS_CC);
    1001          38 :                 add_class_vars(ce, 0, return_value TSRMLS_CC);
    1002          38 :                 add_class_vars(ce, 1, return_value TSRMLS_CC);
    1003             :         }
    1004             : }
    1005             : /* }}} */
    1006             : 
    1007             : /* {{{ proto array get_object_vars(object obj)
    1008             :    Returns an array of object properties */
    1009          73 : ZEND_FUNCTION(get_object_vars)
    1010             : {
    1011             :         zval *obj;
    1012             :         zval *value;
    1013             :         HashTable *properties;
    1014             :         zend_string *key;
    1015             :         zend_object *zobj;
    1016             : 
    1017             : #ifndef FAST_ZPP
    1018             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "o", &obj) == FAILURE) {
    1019             :                 return;
    1020             :         }
    1021             : #else
    1022          73 :         ZEND_PARSE_PARAMETERS_START(1, 1)
    1023         213 :                 Z_PARAM_OBJECT(obj)
    1024          73 :         ZEND_PARSE_PARAMETERS_END();
    1025             : #endif
    1026             : 
    1027          45 :         if (Z_OBJ_HT_P(obj)->get_properties == NULL) {
    1028           0 :                 RETURN_FALSE;
    1029             :         }
    1030             : 
    1031          45 :         properties = Z_OBJ_HT_P(obj)->get_properties(obj TSRMLS_CC);
    1032             : 
    1033          45 :         if (properties == NULL) {
    1034           0 :                 RETURN_FALSE;
    1035             :         }
    1036             : 
    1037          45 :         zobj = Z_OBJ_P(obj);
    1038             : 
    1039          45 :         array_init_size(return_value, zend_hash_num_elements(properties));
    1040             : 
    1041         699 :         ZEND_HASH_FOREACH_STR_KEY_VAL_IND(properties, key, value) {
    1042         218 :                 if (key) {
    1043         215 :                         if (zend_check_property_access(zobj, key TSRMLS_CC) == SUCCESS) {
    1044             :                                 /* Not separating references */
    1045         187 :                                 if (Z_REFCOUNTED_P(value)) Z_ADDREF_P(value);
    1046         187 :                                 if (key->val[0] == 0) {
    1047             :                                         const char *prop_name, *class_name;
    1048             :                                         size_t prop_len;
    1049          37 :                                         zend_unmangle_property_name_ex(key, &class_name, &prop_name, &prop_len);
    1050          37 :                                         zend_hash_str_add_new(Z_ARRVAL_P(return_value), prop_name, prop_len, value);
    1051             :                                 } else {
    1052         150 :                                         zend_hash_add_new(Z_ARRVAL_P(return_value), key, value);
    1053             :                                 }
    1054             :                         }
    1055             :                 }
    1056             :         } ZEND_HASH_FOREACH_END();
    1057             : }
    1058             : /* }}} */
    1059             : 
    1060          53 : static int same_name(const char *key, const char *name, size_t name_len) /* {{{ */
    1061             : {
    1062          53 :         char *lcname = zend_str_tolower_dup(name, name_len);
    1063          53 :         int ret = memcmp(lcname, key, name_len) == 0;
    1064          53 :         efree(lcname);
    1065          53 :         return ret;
    1066             : }
    1067             : /* }}} */
    1068             : 
    1069             : /* {{{ proto array get_class_methods(mixed class)
    1070             :    Returns an array of method names for class or class instance. */
    1071          73 : ZEND_FUNCTION(get_class_methods)
    1072             : {
    1073             :         zval *klass;
    1074             :         zval method_name;
    1075          73 :         zend_class_entry *ce = NULL;
    1076             :         zend_function *mptr;
    1077             :         zend_string *key;
    1078             : 
    1079          73 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &klass) == FAILURE) {
    1080           2 :                 return;
    1081             :         }
    1082             : 
    1083         142 :         if (Z_TYPE_P(klass) == IS_OBJECT) {
    1084          10 :                 ce = Z_OBJCE_P(klass);
    1085         122 :         } else if (Z_TYPE_P(klass) == IS_STRING) {
    1086          39 :             ce = zend_lookup_class(Z_STR_P(klass) TSRMLS_CC);
    1087             :         }
    1088             : 
    1089          71 :         if (!ce) {
    1090          27 :                 RETURN_NULL();
    1091             :         }
    1092             : 
    1093          44 :         array_init(return_value);
    1094             : 
    1095         532 :         ZEND_HASH_FOREACH_STR_KEY_PTR(&ce->function_table, key, mptr) {
    1096             : 
    1097         428 :                 if ((mptr->common.fn_flags & ZEND_ACC_PUBLIC) 
    1098          63 :                  || (EG(scope) &&
    1099          46 :                      (((mptr->common.fn_flags & ZEND_ACC_PROTECTED) &&
    1100          22 :                        zend_check_protected(mptr->common.scope, EG(scope)))
    1101          29 :                    || ((mptr->common.fn_flags & ZEND_ACC_PRIVATE) &&
    1102          24 :                        EG(scope) == mptr->common.scope)))) {
    1103         206 :                         size_t len = mptr->common.function_name->len;
    1104             : 
    1105             :                         /* Do not display old-style inherited constructors */
    1106         206 :                         if (!key) {
    1107           0 :                                 ZVAL_STR_COPY(&method_name, mptr->common.function_name);
    1108           0 :                                 zend_hash_next_index_insert_new(Z_ARRVAL_P(return_value), &method_name);
    1109         229 :                         } else if ((mptr->common.fn_flags & ZEND_ACC_CTOR) == 0 ||
    1110          16 :                             mptr->common.scope == ce ||
    1111           7 :                             zend_binary_strcasecmp(key->val, key->len, mptr->common.function_name->val, len) == 0) {
    1112             : 
    1113         426 :                                 if (mptr->type == ZEND_USER_FUNCTION &&
    1114         112 :                                     *mptr->op_array.refcount > 1 &&
    1115          54 :                                 (len != key->len ||
    1116          51 :                                  !same_name(key->val, mptr->common.function_name->val, len))) {
    1117           3 :                                         ZVAL_STR_COPY(&method_name, zend_find_alias_name(mptr->common.scope, key));
    1118           3 :                                         zend_hash_next_index_insert_new(Z_ARRVAL_P(return_value), &method_name);
    1119             :                                 } else {
    1120         203 :                                         ZVAL_STR_COPY(&method_name, mptr->common.function_name);
    1121         203 :                                         zend_hash_next_index_insert_new(Z_ARRVAL_P(return_value), &method_name);
    1122             :                                 }
    1123             :                         }
    1124             :                 }
    1125             :         } ZEND_HASH_FOREACH_END();
    1126             : }
    1127             : /* }}} */
    1128             : 
    1129             : /* {{{ proto bool method_exists(object object, string method)
    1130             :    Checks if the class method exists */
    1131         132 : ZEND_FUNCTION(method_exists)
    1132             : {
    1133             :         zval *klass; 
    1134             :         zend_string *method_name;
    1135             :         zend_string *lcname;
    1136             :         zend_class_entry * ce;
    1137             : 
    1138             : #ifndef FAST_ZPP
    1139             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zS", &klass, &method_name) == FAILURE) {
    1140             :                 return;
    1141             :         }
    1142             : #else
    1143         132 :         ZEND_PARSE_PARAMETERS_START(2, 2)
    1144         130 :                 Z_PARAM_ZVAL(klass)
    1145         390 :                 Z_PARAM_STR(method_name)
    1146         132 :         ZEND_PARSE_PARAMETERS_END();
    1147             : #endif
    1148         248 :         if (Z_TYPE_P(klass) == IS_OBJECT) {
    1149          70 :                 ce = Z_OBJCE_P(klass);
    1150         108 :         } else if (Z_TYPE_P(klass) == IS_STRING) {
    1151          32 :                 if ((ce = zend_lookup_class(Z_STR_P(klass) TSRMLS_CC)) == NULL) {
    1152           5 :                         RETURN_FALSE;
    1153             :                 }
    1154             :         } else {
    1155          22 :                 RETURN_FALSE;
    1156             :         }
    1157             : 
    1158         194 :         lcname = zend_string_alloc(method_name->len, 0);
    1159          97 :         zend_str_tolower_copy(lcname->val, method_name->val, method_name->len);
    1160          97 :         if (zend_hash_exists(&ce->function_table, lcname)) {
    1161             :                 zend_string_free(lcname);
    1162          65 :                 RETURN_TRUE;
    1163             :         } else {
    1164          32 :                 union _zend_function *func = NULL;
    1165             : 
    1166          90 :                 if (Z_TYPE_P(klass) == IS_OBJECT 
    1167          61 :                 && Z_OBJ_HT_P(klass)->get_method != NULL
    1168          58 :                 && (func = Z_OBJ_HT_P(klass)->get_method(&Z_OBJ_P(klass), method_name, NULL TSRMLS_CC)) != NULL
    1169             :                 ) {
    1170           6 :                         if (func->type == ZEND_INTERNAL_FUNCTION 
    1171           6 :                         && (func->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER) != 0
    1172             :                         ) {
    1173             :                                 /* Returns true to the fake Closure's __invoke */
    1174           3 :                                 RETVAL_BOOL(func->common.scope == zend_ce_closure
    1175             :                                         && zend_string_equals_literal(method_name, ZEND_INVOKE_FUNC_NAME));
    1176             :                                         
    1177             :                                 zend_string_free(lcname);
    1178           3 :                                 zend_string_release(func->common.function_name);
    1179           3 :                                 efree(func);
    1180           3 :                                 return;
    1181             :                         }
    1182           0 :                         efree(lcname);
    1183           0 :                         RETURN_TRUE;
    1184             :                 }
    1185             :         }
    1186          29 :         efree(lcname);
    1187          29 :         RETURN_FALSE;
    1188             : }
    1189             : /* }}} */
    1190             : 
    1191             : /* {{{ proto bool property_exists(mixed object_or_class, string property_name)
    1192             :    Checks if the object or class has a property */
    1193         128 : ZEND_FUNCTION(property_exists)
    1194             : {
    1195             :         zval *object;
    1196             :         zend_string *property;
    1197             :         zend_class_entry *ce;
    1198             :         zend_property_info *property_info;
    1199             :         zval property_z;
    1200             : 
    1201         128 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zS", &object, &property) == FAILURE) {
    1202           4 :                 return;
    1203             :         }
    1204             : 
    1205         124 :         if (property == NULL) {
    1206           0 :                 RETURN_FALSE;
    1207             :         }
    1208             : 
    1209         248 :         if (Z_TYPE_P(object) == IS_STRING) {
    1210          68 :                 ce = zend_lookup_class(Z_STR_P(object) TSRMLS_CC);
    1211          68 :                 if (!ce) {
    1212           4 :                         RETURN_FALSE;
    1213             :                 }                       
    1214         112 :         } else if (Z_TYPE_P(object) == IS_OBJECT) {
    1215          50 :                 ce = Z_OBJCE_P(object);
    1216             :         } else {
    1217           6 :                 zend_error(E_WARNING, "First parameter must either be an object or the name of an existing class");
    1218           6 :                 RETURN_NULL();
    1219             :         }
    1220             : 
    1221         305 :         if ((property_info = zend_hash_find_ptr(&ce->properties_info, property)) != NULL
    1222          77 :                 && (property_info->flags & ZEND_ACC_SHADOW) == 0) {
    1223          70 :                 RETURN_TRUE;
    1224             :         }
    1225             : 
    1226          44 :         ZVAL_STR(&property_z, property);
    1227             : 
    1228         140 :         if (Z_TYPE_P(object) ==  IS_OBJECT &&
    1229          26 :                 Z_OBJ_HANDLER_P(object, has_property) && 
    1230          26 :                 Z_OBJ_HANDLER_P(object, has_property)(object, &property_z, 2, NULL TSRMLS_CC)) {
    1231          11 :                 RETURN_TRUE;
    1232             :         }
    1233          33 :         RETURN_FALSE;
    1234             : }
    1235             : /* }}} */
    1236             : 
    1237             : /* {{{ proto bool class_exists(string classname [, bool autoload])
    1238             :    Checks if the class exists */
    1239         498 : ZEND_FUNCTION(class_exists)
    1240             : {
    1241             :         zend_string *class_name;
    1242             :         zend_string *lc_name;
    1243             :         zend_class_entry *ce;
    1244         498 :         zend_bool autoload = 1;
    1245             : 
    1246             : #ifndef FAST_ZPP
    1247             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "S|b", &class_name, &autoload) == FAILURE) {
    1248             :                 return;
    1249             :         }
    1250             : #else
    1251         498 :         ZEND_PARSE_PARAMETERS_START(1, 2)
    1252        1485 :                 Z_PARAM_STR(class_name)
    1253         487 :                 Z_PARAM_OPTIONAL
    1254         703 :                 Z_PARAM_BOOL(autoload)
    1255         498 :         ZEND_PARSE_PARAMETERS_END();
    1256             : #endif
    1257             : 
    1258         481 :         if (!autoload) {
    1259          54 :                 if (class_name->val[0] == '\\') {
    1260             :                         /* Ignore leading "\" */
    1261           0 :                         lc_name = zend_string_alloc(class_name->len - 1, 0);
    1262           0 :                         zend_str_tolower_copy(lc_name->val, class_name->val + 1, class_name->len - 1);
    1263             :                 } else {
    1264         108 :                         lc_name = zend_string_alloc(class_name->len, 0);
    1265          54 :                         zend_str_tolower_copy(lc_name->val, class_name->val, class_name->len);
    1266             :                 }
    1267         108 :                 ce = zend_hash_find_ptr(EG(class_table), lc_name);
    1268             :                 zend_string_free(lc_name);
    1269          54 :                 RETURN_BOOL(ce && !((ce->ce_flags & (ZEND_ACC_INTERFACE | ZEND_ACC_TRAIT)) > ZEND_ACC_EXPLICIT_ABSTRACT_CLASS));
    1270             :         }
    1271             : 
    1272         427 :         ce = zend_lookup_class(class_name TSRMLS_CC);
    1273         427 :         if (ce) {
    1274         353 :                 RETURN_BOOL((ce->ce_flags & (ZEND_ACC_INTERFACE | (ZEND_ACC_TRAIT - ZEND_ACC_EXPLICIT_ABSTRACT_CLASS))) == 0);
    1275             :         } else {
    1276          74 :                 RETURN_FALSE;
    1277             :         }
    1278             : }
    1279             : /* }}} */
    1280             : 
    1281             : /* {{{ proto bool interface_exists(string classname [, bool autoload])
    1282             :    Checks if the class exists */
    1283         105 : ZEND_FUNCTION(interface_exists)
    1284             : {
    1285             :         zend_string *iface_name, *lc_name;
    1286             :         zend_class_entry *ce;
    1287         105 :         zend_bool autoload = 1;
    1288             : 
    1289             : #ifndef FAST_ZPP
    1290             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "S|b", &iface_name, &autoload) == FAILURE) {
    1291             :                 return;
    1292             :         }
    1293             : #else
    1294         105 :         ZEND_PARSE_PARAMETERS_START(1, 2)
    1295         306 :                 Z_PARAM_STR(iface_name)
    1296          95 :                 Z_PARAM_OPTIONAL
    1297         211 :                 Z_PARAM_BOOL(autoload)
    1298         105 :         ZEND_PARSE_PARAMETERS_END();
    1299             : #endif
    1300             : 
    1301          89 :         if (!autoload) {
    1302          17 :                 if (iface_name->val[0] == '\\') {
    1303             :                         /* Ignore leading "\" */
    1304           0 :                         lc_name = zend_string_alloc(iface_name->len - 1, 0);
    1305           0 :                         zend_str_tolower_copy(lc_name->val, iface_name->val + 1, iface_name->len - 1);
    1306             :                 } else {
    1307          34 :                         lc_name = zend_string_alloc(iface_name->len, 0);
    1308          17 :                         zend_str_tolower_copy(lc_name->val, iface_name->val, iface_name->len);
    1309             :                 }
    1310          34 :                 ce = zend_hash_find_ptr(EG(class_table), lc_name);
    1311             :                 zend_string_free(lc_name);
    1312          17 :                 RETURN_BOOL(ce && ce->ce_flags & ZEND_ACC_INTERFACE);
    1313             :         }
    1314             : 
    1315          72 :         ce = zend_lookup_class(iface_name TSRMLS_CC);
    1316          72 :         if (ce) {
    1317          33 :                 RETURN_BOOL((ce->ce_flags & ZEND_ACC_INTERFACE) > 0);
    1318             :         } else {
    1319          39 :                 RETURN_FALSE;
    1320             :         }
    1321             : }
    1322             : /* }}} */
    1323             : 
    1324             : /* {{{ proto bool trait_exists(string traitname [, bool autoload])
    1325             :  Checks if the trait exists */
    1326          73 : ZEND_FUNCTION(trait_exists)
    1327             : {
    1328             :         zend_string *trait_name, *lc_name;
    1329             :         zend_class_entry *ce;
    1330          73 :         zend_bool autoload = 1;
    1331             :   
    1332             : #ifndef FAST_ZPP
    1333             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "S|b", &trait_name, &autoload) == FAILURE) {
    1334             :                 return;
    1335             :         }
    1336             : #else
    1337          73 :         ZEND_PARSE_PARAMETERS_START(1, 2)
    1338         213 :                 Z_PARAM_STR(trait_name)
    1339          64 :                 Z_PARAM_OPTIONAL
    1340         164 :                 Z_PARAM_BOOL(autoload)
    1341          73 :         ZEND_PARSE_PARAMETERS_END();
    1342             : #endif
    1343             :   
    1344          58 :         if (!autoload) {
    1345          11 :                 if (trait_name->val[0] == '\\') {
    1346             :                         /* Ignore leading "\" */
    1347           0 :                         lc_name = zend_string_alloc(trait_name->len - 1, 0);
    1348           0 :                         zend_str_tolower_copy(lc_name->val, trait_name->val + 1, trait_name->len - 1);
    1349             :                 } else {
    1350          22 :                         lc_name = zend_string_alloc(trait_name->len, 0);
    1351          11 :                         zend_str_tolower_copy(lc_name->val, trait_name->val, trait_name->len);
    1352             :                 }
    1353          22 :                 ce = zend_hash_find_ptr(EG(class_table), lc_name);
    1354             :                 zend_string_free(lc_name);
    1355          11 :                 RETURN_BOOL(ce && ((ce->ce_flags & ZEND_ACC_TRAIT) > ZEND_ACC_EXPLICIT_ABSTRACT_CLASS));
    1356             :         }
    1357             :   
    1358          47 :         ce = zend_lookup_class(trait_name TSRMLS_CC);
    1359          47 :         if (ce) {
    1360          11 :                 RETURN_BOOL((ce->ce_flags & ZEND_ACC_TRAIT) > ZEND_ACC_EXPLICIT_ABSTRACT_CLASS);
    1361             :         } else {
    1362          36 :                 RETURN_FALSE;
    1363             :         }
    1364             : }
    1365             : /* }}} */
    1366             : 
    1367             : /* {{{ proto bool function_exists(string function_name) 
    1368             :    Checks if the function exists */
    1369        4389 : ZEND_FUNCTION(function_exists)
    1370             : {
    1371             :         char *name;
    1372             :         size_t name_len;
    1373             :         zend_function *func;
    1374             :         zend_string *lcname;
    1375             :         
    1376             : #ifndef FAST_ZPP
    1377             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &name, &name_len) == FAILURE) {
    1378             :                 return;
    1379             :         }
    1380             : #else
    1381        4389 :         ZEND_PARSE_PARAMETERS_START(1, 1)
    1382       13161 :                 Z_PARAM_STRING(name, name_len)
    1383        4389 :         ZEND_PARSE_PARAMETERS_END();
    1384             : #endif
    1385             : 
    1386        4383 :         if (name[0] == '\\') {
    1387             :                 /* Ignore leading "\" */
    1388           2 :                 lcname = zend_string_alloc(name_len - 1, 0);
    1389           1 :                 zend_str_tolower_copy(lcname->val, name + 1, name_len - 1);
    1390             :         } else {
    1391        8764 :                 lcname = zend_string_alloc(name_len, 0);
    1392        4382 :                 zend_str_tolower_copy(lcname->val, name, name_len);
    1393             :         }
    1394             :         
    1395        8766 :         func = zend_hash_find_ptr(EG(function_table), lcname);  
    1396             :         zend_string_free(lcname);
    1397             : 
    1398             :         /*
    1399             :          * A bit of a hack, but not a bad one: we see if the handler of the function
    1400             :          * is actually one that displays "function is disabled" message.
    1401             :          */
    1402        4383 :         RETURN_BOOL(func && (func->type != ZEND_INTERNAL_FUNCTION ||
    1403             :                 func->internal_function.handler != zif_display_disabled_function));
    1404             : }
    1405             : /* }}} */
    1406             : 
    1407             : /* {{{ proto bool class_alias(string user_class_name , string alias_name [, bool autoload])
    1408             :    Creates an alias for user defined class */
    1409          28 : ZEND_FUNCTION(class_alias)
    1410             : {
    1411             :         zend_string *class_name;
    1412             :         char *alias_name;
    1413             :         zend_class_entry *ce;
    1414             :         size_t alias_name_len;
    1415          28 :         zend_bool autoload = 1;
    1416             : 
    1417          28 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Ss|b", &class_name, &alias_name, &alias_name_len, &autoload) == FAILURE) {
    1418           0 :                 return;
    1419             :         }
    1420             : 
    1421          28 :         ce = zend_lookup_class_ex(class_name, NULL, autoload TSRMLS_CC);
    1422             :         
    1423          28 :         if (ce) {
    1424          27 :                 if (ce->type == ZEND_USER_CLASS) { 
    1425          26 :                         if (zend_register_class_alias_ex(alias_name, alias_name_len, ce TSRMLS_CC) == SUCCESS) {
    1426          22 :                                 RETURN_TRUE;
    1427             :                         } else {
    1428           4 :                                 zend_error(E_WARNING, "Cannot redeclare class %s", alias_name);
    1429           4 :                                 RETURN_FALSE;
    1430             :                         }
    1431             :                 } else {
    1432           1 :                         zend_error(E_WARNING, "First argument of class_alias() must be a name of user defined class");
    1433           1 :                         RETURN_FALSE;
    1434             :                 }
    1435             :         } else {
    1436           1 :                 zend_error(E_WARNING, "Class '%s' not found", class_name->val);
    1437           1 :                 RETURN_FALSE;
    1438             :         }
    1439             : }
    1440             : /* }}} */
    1441             : 
    1442             : #if ZEND_DEBUG
    1443             : /* {{{ proto void leak(int num_bytes=3)
    1444             :    Cause an intentional memory leak, for testing/debugging purposes */
    1445             : ZEND_FUNCTION(leak)
    1446             : {
    1447             :         zend_long leakbytes=3;
    1448             : 
    1449             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &leakbytes) == FAILURE) {
    1450             :                 return;
    1451             :         }
    1452             : 
    1453             :         emalloc(leakbytes);
    1454             : }
    1455             : /* }}} */
    1456             : 
    1457             : /* {{{ proto leak_variable(mixed variable [, bool leak_data]) */
    1458             : ZEND_FUNCTION(leak_variable)
    1459             : {
    1460             :         zval *zv;
    1461             :         zend_bool leak_data = 0;
    1462             : 
    1463             :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|b", &zv, &leak_data) == FAILURE) {
    1464             :                 return;
    1465             :         }
    1466             : 
    1467             :         if (!leak_data) {
    1468             :                 Z_ADDREF_P(zv);
    1469             :         } else if (Z_TYPE_P(zv) == IS_RESOURCE) {
    1470             :                 Z_ADDREF_P(zv);
    1471             :         } else if (Z_TYPE_P(zv) == IS_OBJECT) {
    1472             :                 Z_ADDREF_P(zv);
    1473             :         } else {
    1474             :                 zend_error(E_WARNING, "Leaking non-zval data is only applicable to resources and objects");
    1475             :         }
    1476             : }
    1477             : /* }}} */
    1478             : 
    1479             : 
    1480             : #ifdef ZEND_TEST_EXCEPTIONS
    1481             : ZEND_FUNCTION(crash)
    1482             : {
    1483             :         char *nowhere=NULL;
    1484             : 
    1485             :         memcpy(nowhere, "something", sizeof("something"));
    1486             : }
    1487             : #endif
    1488             : 
    1489             : #endif /* ZEND_DEBUG */
    1490             : 
    1491             : /* {{{ proto array get_included_files(void)
    1492             :    Returns an array with the file names that were include_once()'d */
    1493          39 : ZEND_FUNCTION(get_included_files)
    1494             : {
    1495             :         zend_string *entry;
    1496             : 
    1497          39 :         if (zend_parse_parameters_none() == FAILURE) {
    1498           3 :                 return;
    1499             :         }
    1500             : 
    1501          36 :         array_init(return_value);
    1502         178 :         ZEND_HASH_FOREACH_STR_KEY(&EG(included_files), entry) {
    1503          71 :                 if (entry) {
    1504          71 :                         add_next_index_str(return_value, zend_string_copy(entry));
    1505             :                 }
    1506             :         } ZEND_HASH_FOREACH_END();
    1507             : }
    1508             : /* }}} */
    1509             : 
    1510             : /* {{{ proto void trigger_error(string message [, int error_type])
    1511             :    Generates a user-level error/warning/notice message */
    1512          24 : ZEND_FUNCTION(trigger_error)
    1513             : {
    1514          24 :         zend_long error_type = E_USER_NOTICE;
    1515             :         char *message;
    1516             :         size_t message_len;
    1517             : 
    1518          24 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &message, &message_len, &error_type) == FAILURE) {
    1519           2 :                 return;
    1520             :         }
    1521             : 
    1522          22 :         switch (error_type) {
    1523             :                 case E_USER_ERROR:
    1524             :                 case E_USER_WARNING:
    1525             :                 case E_USER_NOTICE:
    1526             :                 case E_USER_DEPRECATED:
    1527          20 :                         break;
    1528             :                 default:
    1529           2 :                         zend_error(E_WARNING, "Invalid error type specified");
    1530           2 :                         RETURN_FALSE;
    1531             :                         break;
    1532             :         }
    1533             : 
    1534          20 :         zend_error((int)error_type, "%s", message);
    1535          19 :         RETURN_TRUE;
    1536             : }
    1537             : /* }}} */
    1538             : 
    1539             : /* {{{ proto string set_error_handler(string error_handler [, int error_types])
    1540             :    Sets a user-defined error handler function.  Returns the previously defined error handler, or false on error */
    1541         281 : ZEND_FUNCTION(set_error_handler)
    1542             : {
    1543             :         zval *error_handler;
    1544         281 :         zend_string *error_handler_name = NULL;
    1545         281 :         zend_long error_type = E_ALL;
    1546             : 
    1547         281 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|l", &error_handler, &error_type) == FAILURE) {
    1548           0 :                 return;
    1549             :         }
    1550             : 
    1551         562 :         if (Z_TYPE_P(error_handler) != IS_NULL) { /* NULL == unset */
    1552         280 :                 if (!zend_is_callable(error_handler, 0, &error_handler_name TSRMLS_CC)) {
    1553           0 :                         zend_error(E_WARNING, "%s() expects the argument (%s) to be a valid callback",
    1554           0 :                                            get_active_function_name(TSRMLS_C), error_handler_name?error_handler_name->val:"unknown");
    1555           0 :                         zend_string_release(error_handler_name);
    1556           0 :                         return;
    1557             :                 }
    1558         280 :                 zend_string_release(error_handler_name);
    1559             :         }
    1560             : 
    1561         281 :         if (Z_TYPE(EG(user_error_handler)) != IS_UNDEF) {
    1562           8 :                 RETVAL_ZVAL(&EG(user_error_handler), 1, 0);
    1563             : 
    1564           4 :                 zend_stack_push(&EG(user_error_handlers_error_reporting), &EG(user_error_handler_error_reporting));
    1565           4 :                 zend_stack_push(&EG(user_error_handlers), &EG(user_error_handler));
    1566             :         }
    1567             : 
    1568         562 :         if (Z_TYPE_P(error_handler) == IS_NULL) { /* unset user-defined handler */
    1569           1 :                 ZVAL_UNDEF(&EG(user_error_handler));
    1570           1 :                 return;
    1571             :         }
    1572             : 
    1573         280 :         ZVAL_DUP(&EG(user_error_handler), error_handler);
    1574         280 :         EG(user_error_handler_error_reporting) = (int)error_type;
    1575             : }
    1576             : /* }}} */
    1577             : 
    1578             : /* {{{ proto void restore_error_handler(void)
    1579             :    Restores the previously defined error handler function */
    1580           2 : ZEND_FUNCTION(restore_error_handler)
    1581             : {
    1582           2 :         if (Z_TYPE(EG(user_error_handler)) != IS_UNDEF) {
    1583             :                 zval zeh;
    1584             :                 
    1585           2 :                 ZVAL_COPY_VALUE(&zeh, &EG(user_error_handler));
    1586           2 :                 ZVAL_UNDEF(&EG(user_error_handler));
    1587           2 :                 zval_ptr_dtor(&zeh);
    1588             :         }
    1589             : 
    1590           2 :         if (zend_stack_is_empty(&EG(user_error_handlers))) {
    1591           2 :                 ZVAL_UNDEF(&EG(user_error_handler));
    1592             :         } else {
    1593             :                 zval *tmp;
    1594           0 :                 EG(user_error_handler_error_reporting) = zend_stack_int_top(&EG(user_error_handlers_error_reporting));
    1595           0 :                 zend_stack_del_top(&EG(user_error_handlers_error_reporting));
    1596           0 :                 tmp = zend_stack_top(&EG(user_error_handlers));
    1597           0 :                 ZVAL_COPY_VALUE(&EG(user_error_handler), tmp);
    1598           0 :                 zend_stack_del_top(&EG(user_error_handlers));
    1599             :         }
    1600           2 :         RETURN_TRUE;
    1601             : }
    1602             : /* }}} */
    1603             : 
    1604             : /* {{{ proto string set_exception_handler(callable exception_handler)
    1605             :    Sets a user-defined exception handler function.  Returns the previously defined exception handler, or false on error */
    1606          19 : ZEND_FUNCTION(set_exception_handler)
    1607             : {
    1608             :         zval *exception_handler;
    1609          19 :         zend_string *exception_handler_name = NULL;
    1610             : 
    1611          19 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &exception_handler) == FAILURE) {
    1612           2 :                 return;
    1613             :         }
    1614             : 
    1615          34 :         if (Z_TYPE_P(exception_handler) != IS_NULL) { /* NULL == unset */
    1616          16 :                 if (!zend_is_callable(exception_handler, 0, &exception_handler_name TSRMLS_CC)) {
    1617           4 :                         zend_error(E_WARNING, "%s() expects the argument (%s) to be a valid callback",
    1618           4 :                                            get_active_function_name(TSRMLS_C), exception_handler_name?exception_handler_name->val:"unknown");
    1619           2 :                         zend_string_release(exception_handler_name);
    1620           2 :                         return;
    1621             :                 }
    1622          14 :                 zend_string_release(exception_handler_name);
    1623             :         }
    1624             : 
    1625          15 :         if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) {
    1626           6 :                 RETVAL_ZVAL(&EG(user_exception_handler), 1, 0);
    1627             : 
    1628           3 :                 zend_stack_push(&EG(user_exception_handlers), &EG(user_exception_handler));
    1629             :         }
    1630             : 
    1631          30 :         if (Z_TYPE_P(exception_handler) == IS_NULL) { /* unset user-defined handler */
    1632           1 :                 ZVAL_UNDEF(&EG(user_exception_handler));
    1633           1 :                 return;
    1634             :         }
    1635             : 
    1636          14 :         ZVAL_DUP(&EG(user_exception_handler), exception_handler);
    1637             : }
    1638             : /* }}} */
    1639             : 
    1640             : /* {{{ proto void restore_exception_handler(void)
    1641             :    Restores the previously defined exception handler function */
    1642           1 : ZEND_FUNCTION(restore_exception_handler)
    1643             : {
    1644           1 :         if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) {
    1645           1 :                 zval_ptr_dtor(&EG(user_exception_handler));
    1646             :         }
    1647           1 :         if (zend_stack_is_empty(&EG(user_exception_handlers))) {
    1648           0 :                 ZVAL_UNDEF(&EG(user_exception_handler));
    1649             :         } else {
    1650           1 :                 zval *tmp = zend_stack_top(&EG(user_exception_handlers));
    1651           1 :                 ZVAL_COPY_VALUE(&EG(user_exception_handler), tmp);
    1652           1 :                 zend_stack_del_top(&EG(user_exception_handlers));
    1653             :         }
    1654           1 :         RETURN_TRUE;
    1655             : }
    1656             : /* }}} */
    1657             : 
    1658        5048 : static int copy_class_or_interface_name(zval *el TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
    1659             : {
    1660        5048 :         zend_class_entry *ce = (zend_class_entry *)Z_PTR_P(el);
    1661        5048 :         zval *array = va_arg(args, zval *);
    1662        5048 :         uint32_t mask = va_arg(args, uint32_t);
    1663        5048 :         uint32_t comply = va_arg(args, uint32_t);
    1664        5048 :         uint32_t comply_mask = (comply)? mask:0;
    1665             : 
    1666       10092 :         if ((hash_key->key && hash_key->key->val[0] != 0)
    1667        5044 :                 && (comply_mask == (ce->ce_flags & mask))) {
    1668        1779 :                 if (ce->refcount > 1 && 
    1669           2 :                     (ce->name->len != hash_key->key->len || 
    1670           2 :                      !same_name(hash_key->key->val, ce->name->val, ce->name->len))) {
    1671           2 :                         add_next_index_str(array, zend_string_copy(hash_key->key));
    1672             :                 } else {
    1673        3546 :                         add_next_index_str(array, zend_string_copy(ce->name));
    1674             :                 }
    1675             :         }
    1676        5048 :         return ZEND_HASH_APPLY_KEEP;
    1677             : }
    1678             : /* }}} */
    1679             : 
    1680             : /* {{{ proto array get_declared_traits()
    1681             :    Returns an array of all declared traits. */
    1682          11 : ZEND_FUNCTION(get_declared_traits)
    1683             : {
    1684          11 :         uint32_t mask = ZEND_ACC_TRAIT;
    1685          11 :         uint32_t comply = 1;
    1686             : 
    1687          11 :         if (zend_parse_parameters_none() == FAILURE) {
    1688           1 :                 return;
    1689             :         }
    1690             : 
    1691          10 :         array_init(return_value);
    1692          10 :         zend_hash_apply_with_arguments(EG(class_table) TSRMLS_CC, copy_class_or_interface_name, 3, return_value, mask, comply);
    1693             : }
    1694             : /* }}} */
    1695             : 
    1696             : /* {{{ proto array get_declared_classes()
    1697             :    Returns an array of all declared classes. */
    1698          11 : ZEND_FUNCTION(get_declared_classes)
    1699             : {
    1700          11 :         uint32_t mask = ZEND_ACC_INTERFACE | (ZEND_ACC_TRAIT & ~ZEND_ACC_EXPLICIT_ABSTRACT_CLASS);
    1701          11 :         uint32_t comply = 0;
    1702             : 
    1703          11 :         if (zend_parse_parameters_none() == FAILURE) {
    1704           1 :                 return;
    1705             :         }
    1706             : 
    1707          10 :         array_init(return_value);
    1708          10 :         zend_hash_apply_with_arguments(EG(class_table) TSRMLS_CC, copy_class_or_interface_name, 3, return_value, mask, comply);
    1709             : }
    1710             : /* }}} */
    1711             : 
    1712             : /* {{{ proto array get_declared_interfaces()
    1713             :    Returns an array of all declared interfaces. */
    1714          10 : ZEND_FUNCTION(get_declared_interfaces)
    1715             : {
    1716          10 :         uint32_t mask = ZEND_ACC_INTERFACE;
    1717          10 :         uint32_t comply = 1;
    1718             : 
    1719          10 :         if (zend_parse_parameters_none() == FAILURE) {
    1720           2 :                 return;
    1721             :         }
    1722             : 
    1723           8 :         array_init(return_value);
    1724           8 :         zend_hash_apply_with_arguments(EG(class_table) TSRMLS_CC, copy_class_or_interface_name, 3, return_value, mask, comply);
    1725             : }
    1726             : /* }}} */
    1727             : 
    1728        8953 : static int copy_function_name(zval *zv TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
    1729             : {
    1730        8953 :         zend_function *func = Z_PTR_P(zv);
    1731        8953 :         zval *internal_ar = va_arg(args, zval *),
    1732        8953 :              *user_ar     = va_arg(args, zval *);
    1733             : 
    1734        8953 :         if (hash_key->key == NULL || hash_key->key->val[0] == 0) {
    1735           0 :                 return 0;
    1736             :         }
    1737             : 
    1738        8953 :         if (func->type == ZEND_INTERNAL_FUNCTION) {
    1739       17888 :                 add_next_index_str(internal_ar, zend_string_copy(hash_key->key));
    1740           9 :         } else if (func->type == ZEND_USER_FUNCTION) {
    1741          18 :                 add_next_index_str(user_ar, zend_string_copy(hash_key->key));
    1742             :         }
    1743             : 
    1744        8953 :         return 0;
    1745             : }
    1746             : /* }}} */
    1747             : 
    1748             : /* {{{ proto array get_defined_functions(void)
    1749             :    Returns an array of all defined functions */
    1750           6 : ZEND_FUNCTION(get_defined_functions)
    1751             : {
    1752             :         zval internal, user;
    1753             : 
    1754           6 :         if (zend_parse_parameters_none() == FAILURE) {
    1755           2 :                 return;
    1756             :         }
    1757             : 
    1758           4 :         array_init(&internal);
    1759           4 :         array_init(&user);
    1760           4 :         array_init(return_value);
    1761             : 
    1762           4 :         zend_hash_apply_with_arguments(EG(function_table) TSRMLS_CC, copy_function_name, 2, &internal, &user);
    1763             : 
    1764           4 :         zend_hash_str_add_new(Z_ARRVAL_P(return_value), "internal", sizeof("internal")-1, &internal);
    1765           4 :         zend_hash_str_add_new(Z_ARRVAL_P(return_value), "user", sizeof("user")-1, &user);
    1766             : }
    1767             : /* }}} */
    1768             : 
    1769             : /* {{{ proto array get_defined_vars(void)
    1770             :    Returns an associative array of names and values of all currently defined variable names (variables in the current scope) */
    1771          18 : ZEND_FUNCTION(get_defined_vars)
    1772             : {
    1773          18 :         zend_array *symbol_table = zend_rebuild_symbol_table(TSRMLS_C);
    1774             : 
    1775          18 :         ZVAL_NEW_ARR(return_value);
    1776          18 :         zend_array_dup(Z_ARRVAL_P(return_value), &symbol_table->ht);
    1777          18 : }
    1778             : /* }}} */
    1779             : 
    1780             : #define LAMBDA_TEMP_FUNCNAME    "__lambda_func"
    1781             : /* {{{ proto string create_function(string args, string code)
    1782             :    Creates an anonymous function, and returns its name (funny, eh?) */
    1783          55 : ZEND_FUNCTION(create_function)
    1784             : {
    1785             :     zend_string *function_name;
    1786             :         char *eval_code, *function_args, *function_code;
    1787             :         size_t eval_code_length, function_args_len, function_code_len;
    1788             :         int retval;
    1789             :         char *eval_name;
    1790             : 
    1791          55 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &function_args, &function_args_len, &function_code, &function_code_len) == FAILURE) {
    1792           0 :                 return;
    1793             :         }
    1794             : 
    1795          55 :         eval_code = (char *) emalloc(sizeof("function " LAMBDA_TEMP_FUNCNAME)
    1796             :                         +function_args_len
    1797             :                         +2      /* for the args parentheses */
    1798             :                         +2      /* for the curly braces */
    1799             :                         +function_code_len);
    1800             : 
    1801          55 :         eval_code_length = sizeof("function " LAMBDA_TEMP_FUNCNAME "(") - 1;
    1802          55 :         memcpy(eval_code, "function " LAMBDA_TEMP_FUNCNAME "(", eval_code_length);
    1803             : 
    1804          55 :         memcpy(eval_code + eval_code_length, function_args, function_args_len);
    1805          55 :         eval_code_length += function_args_len;
    1806             : 
    1807          55 :         eval_code[eval_code_length++] = ')';
    1808          55 :         eval_code[eval_code_length++] = '{';
    1809             : 
    1810          55 :         memcpy(eval_code + eval_code_length, function_code, function_code_len);
    1811          55 :         eval_code_length += function_code_len;
    1812             : 
    1813          55 :         eval_code[eval_code_length++] = '}';
    1814          55 :         eval_code[eval_code_length] = '\0';
    1815             : 
    1816          55 :         eval_name = zend_make_compiled_string_description("runtime-created function" TSRMLS_CC);
    1817          55 :         retval = zend_eval_stringl(eval_code, eval_code_length, NULL, eval_name TSRMLS_CC);
    1818          55 :         efree(eval_code);
    1819          55 :         efree(eval_name);
    1820             : 
    1821          55 :         if (retval==SUCCESS) {
    1822             :                 zend_op_array *func;
    1823             :                 HashTable *static_variables;
    1824             : 
    1825         106 :                 func = zend_hash_str_find_ptr(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME)-1);
    1826          53 :                 if (!func) {
    1827           0 :                         zend_error(E_ERROR, "Unexpected inconsistency in create_function()");
    1828           0 :                         RETURN_FALSE;
    1829             :                 }
    1830          53 :                 (*func->refcount)++;
    1831          53 :                 static_variables = func->static_variables;
    1832          53 :                 func->static_variables = NULL;
    1833          53 :                 zend_hash_str_del(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME)-1);
    1834          53 :                 func->static_variables = static_variables;
    1835             : 
    1836          53 :                 function_name = zend_string_alloc(sizeof("0lambda_")+MAX_LENGTH_OF_LONG, 0);
    1837          53 :                 function_name->val[0] = '\0';
    1838             : 
    1839             :                 do {
    1840          53 :                         function_name->len = snprintf(function_name->val + 1, sizeof("lambda_")+MAX_LENGTH_OF_LONG, "lambda_%d", ++EG(lambda_count)) + 1;
    1841         106 :                 } while (zend_hash_add_ptr(EG(function_table), function_name, func) == NULL);
    1842          53 :                 RETURN_STR(function_name);
    1843             :         } else {
    1844           2 :                 zend_hash_str_del(EG(function_table), LAMBDA_TEMP_FUNCNAME, sizeof(LAMBDA_TEMP_FUNCNAME)-1);
    1845           2 :                 RETURN_FALSE;
    1846             :         }
    1847             : }
    1848             : /* }}} */
    1849             : 
    1850             : #if ZEND_DEBUG
    1851             : ZEND_FUNCTION(zend_test_func)
    1852             : {
    1853             :         zval *arg1, *arg2;
    1854             : 
    1855             :         zend_get_parameters(ZEND_NUM_ARGS(), 2, &arg1, &arg2);
    1856             : }
    1857             : 
    1858             : 
    1859             : #ifdef ZTS
    1860             : ZEND_FUNCTION(zend_thread_id)
    1861             : {
    1862             :         RETURN_LONG((zend_long)tsrm_thread_id());
    1863             : }
    1864             : #endif
    1865             : #endif
    1866             : 
    1867             : /* {{{ proto string get_resource_type(resource res)
    1868             :    Get the resource type name for a given resource */
    1869          77 : ZEND_FUNCTION(get_resource_type)
    1870             : {
    1871             :         const char *resource_type;
    1872             :         zval *z_resource_type;
    1873             : 
    1874          77 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "r", &z_resource_type) == FAILURE) {
    1875          12 :                 return;
    1876             :         }
    1877             : 
    1878          65 :         resource_type = zend_rsrc_list_get_rsrc_type(Z_RES_P(z_resource_type) TSRMLS_CC);
    1879          65 :         if (resource_type) {
    1880          80 :                 RETURN_STRING(resource_type);
    1881             :         } else {
    1882          50 :                 RETURN_STRING("Unknown");
    1883             :         }
    1884             : }
    1885             : /* }}} */
    1886             : 
    1887             : /* {{{ proto array get_resources([string resouce_type])
    1888             :    Get an array with all active resources */
    1889           4 : ZEND_FUNCTION(get_resources)
    1890             : {
    1891           4 :         zend_string *type = NULL;
    1892             :         zend_string *key;
    1893             :         zend_ulong index;
    1894             :         zval *val;
    1895             : 
    1896           4 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|S", &type) == FAILURE) {
    1897           0 :                 return;
    1898             :         }
    1899             : 
    1900           4 :         if (!type) {
    1901           4 :                 array_init(return_value);
    1902          68 :                 ZEND_HASH_FOREACH_KEY_VAL(&EG(regular_list), index, key, val) {
    1903          24 :                         if (!key) {
    1904             :                                 Z_ADDREF_P(val);
    1905          24 :                                 zend_hash_index_add_new(Z_ARRVAL_P(return_value), index, val);
    1906             :                         }
    1907             :                 } ZEND_HASH_FOREACH_END();
    1908           0 :         } else if (zend_string_equals_literal(type, "Unknown")) {
    1909           0 :                 array_init(return_value);
    1910           0 :                 ZEND_HASH_FOREACH_KEY_VAL(&EG(regular_list), index, key, val) {
    1911           0 :                         if (!key && Z_RES_TYPE_P(val) <= 0) {
    1912             :                                 Z_ADDREF_P(val);
    1913           0 :                                 zend_hash_index_add_new(Z_ARRVAL_P(return_value), index, val);
    1914             :                         }
    1915             :                 } ZEND_HASH_FOREACH_END();
    1916             :         } else {
    1917           0 :                 int id = zend_fetch_list_dtor_id(type->val);
    1918             : 
    1919           0 :                 if (id <= 0) {
    1920           0 :                         zend_error(E_WARNING, "get_resources():  Unknown resource type '%s'", type->val);
    1921           0 :                         RETURN_FALSE;
    1922             :                 }
    1923             : 
    1924           0 :                 array_init(return_value);
    1925           0 :                 ZEND_HASH_FOREACH_KEY_VAL(&EG(regular_list), index, key, val) {
    1926           0 :                         if (!key && Z_RES_TYPE_P(val) == id) {
    1927             :                                 Z_ADDREF_P(val);
    1928           0 :                                 zend_hash_index_add_new(Z_ARRVAL_P(return_value), index, val);
    1929             :                         }
    1930             :                 } ZEND_HASH_FOREACH_END();
    1931             :         }
    1932             : }
    1933             : /* }}} */
    1934             : 
    1935         288 : static int add_extension_info(zval *item, void *arg TSRMLS_DC) /* {{{ */
    1936             : {
    1937         288 :         zval *name_array = (zval *)arg;
    1938         288 :         zend_module_entry *module = (zend_module_entry*)Z_PTR_P(item);
    1939         288 :         add_next_index_string(name_array, module->name);
    1940         288 :         return 0;
    1941             : }
    1942             : /* }}} */
    1943             : 
    1944           2 : static int add_zendext_info(zend_extension *ext, void *arg TSRMLS_DC) /* {{{ */
    1945             : {
    1946           2 :         zval *name_array = (zval *)arg;
    1947           2 :         add_next_index_string(name_array, ext->name);
    1948           2 :         return 0;
    1949             : }
    1950             : /* }}} */
    1951             : 
    1952       27504 : static int add_constant_info(zval *item, void *arg TSRMLS_DC) /* {{{ */
    1953             : {
    1954       27504 :         zval *name_array = (zval *)arg;
    1955       27504 :         zend_constant *constant = (zend_constant*)Z_PTR_P(item);
    1956             :         zval const_val;
    1957             : 
    1958       27504 :         if (!constant->name) {
    1959             :                 /* skip special constants */
    1960           1 :                 return 0;
    1961             :         }
    1962             : 
    1963       27503 :         ZVAL_DUP(&const_val, &constant->value);
    1964       27503 :         zend_hash_add_new(Z_ARRVAL_P(name_array), constant->name, &const_val);
    1965       27503 :         return 0;
    1966             : }
    1967             : /* }}} */
    1968             : 
    1969             : /* {{{ proto array get_loaded_extensions([bool zend_extensions]) U
    1970             :    Return an array containing names of loaded extensions */
    1971           7 : ZEND_FUNCTION(get_loaded_extensions)
    1972             : {
    1973           7 :         zend_bool zendext = 0;
    1974             : 
    1975           7 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &zendext) == FAILURE) {
    1976           1 :                 return;
    1977             :         }
    1978             : 
    1979           6 :         array_init(return_value);
    1980             : 
    1981           6 :         if (zendext) {
    1982           2 :                 zend_llist_apply_with_argument(&zend_extensions, (llist_apply_with_arg_func_t)add_zendext_info, return_value TSRMLS_CC);
    1983             :         } else {
    1984           4 :                 zend_hash_apply_with_argument(&module_registry, add_extension_info, return_value TSRMLS_CC);
    1985             :         }
    1986             : }
    1987             : /* }}} */
    1988             : 
    1989             : /* {{{ proto array get_defined_constants([bool categorize])
    1990             :    Return an array containing the names and values of all defined constants */
    1991          39 : ZEND_FUNCTION(get_defined_constants)
    1992             : {
    1993          39 :         zend_bool categorize = 0;
    1994             :         
    1995          39 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &categorize) == FAILURE) {
    1996           2 :                 return;
    1997             :         }
    1998             : 
    1999          37 :         array_init(return_value);
    2000             : 
    2001          37 :         if (categorize) {
    2002             :                 zend_constant *val;
    2003             :                 int module_number;
    2004             :                 zval *modules, const_val;
    2005             :                 char **module_names;
    2006             :                 zend_module_entry *module;
    2007          26 :                 int i = 1;
    2008             : 
    2009          26 :                 modules = ecalloc(zend_hash_num_elements(&module_registry) + 2, sizeof(zval));
    2010          26 :                 module_names = emalloc((zend_hash_num_elements(&module_registry) + 2) * sizeof(char *));
    2011             : 
    2012          26 :                 module_names[0] = "internal";
    2013        3770 :                 ZEND_HASH_FOREACH_PTR(&module_registry, module) {
    2014        1872 :                         module_names[module->module_number] = (char *)module->name;
    2015        1872 :                         i++;
    2016             :                 } ZEND_HASH_FOREACH_END();
    2017          26 :                 module_names[i] = "user";
    2018             : 
    2019      130030 :                 ZEND_HASH_FOREACH_PTR(EG(zend_constants), val) {
    2020       65002 :                         if (!val->name) {
    2021             :                                 /* skip special constants */
    2022           1 :                                 continue;
    2023             :                         }
    2024             : 
    2025       65001 :                         if (val->module_number == PHP_USER_CONSTANT) {
    2026           1 :                                 module_number = i;
    2027       65000 :                         } else if (val->module_number > i || val->module_number < 0) {
    2028             :                                 /* should not happen */
    2029           0 :                                 continue;
    2030             :                         } else {
    2031       65000 :                                 module_number = val->module_number;
    2032             :                         }
    2033             : 
    2034      130002 :                         if (Z_TYPE(modules[module_number]) == IS_UNDEF) {
    2035        1145 :                                 array_init(&modules[module_number]);
    2036        1145 :                                 add_assoc_zval(return_value, module_names[module_number], &modules[module_number]);
    2037             :                         }
    2038             : 
    2039       65001 :                         ZVAL_DUP(&const_val, &val->value);
    2040       65001 :                         zend_hash_add_new(Z_ARRVAL(modules[module_number]), val->name, &const_val);
    2041             :                 } ZEND_HASH_FOREACH_END();
    2042             : 
    2043          26 :                 efree(module_names);
    2044          26 :                 efree(modules);
    2045             :         } else {
    2046          11 :                 zend_hash_apply_with_argument(EG(zend_constants), add_constant_info, return_value TSRMLS_CC);
    2047             :         }
    2048             : }
    2049             : /* }}} */
    2050             : 
    2051        2880 : static void debug_backtrace_get_args(zend_execute_data *call, zval *arg_array TSRMLS_DC) /* {{{ */
    2052             : {
    2053        2880 :         uint32_t num_args = call->num_args;
    2054             : 
    2055        2880 :         array_init_size(arg_array, num_args);
    2056        2880 :         if (num_args) {
    2057        2435 :                 uint32_t i = 0;
    2058        2435 :                 zval *p = ZEND_CALL_ARG(call, 1);
    2059             : 
    2060        2435 :                 if (call->func->type == ZEND_USER_FUNCTION) {
    2061         539 :                         uint32_t first_extra_arg = call->func->op_array.num_args;
    2062             :                         
    2063         539 :                         if (call->func->op_array.fn_flags & ZEND_ACC_VARIADIC) {
    2064           0 :                                 first_extra_arg--;
    2065             :                         }
    2066         539 :                         if (call->num_args > first_extra_arg) {
    2067         138 :                                 while (i < first_extra_arg) {
    2068          54 :                                         if (Z_REFCOUNTED_P(p)) Z_ADDREF_P(p);
    2069          54 :                                         zend_hash_next_index_insert_new(Z_ARRVAL_P(arg_array), p);
    2070          54 :                                         p++;
    2071          54 :                                         i++;
    2072             :                                 }
    2073          42 :                                 p = EX_VAR_NUM_2(call, call->func->op_array.last_var + call->func->op_array.T);
    2074             :                         }
    2075             :                 }
    2076             : 
    2077       10128 :                 while (i < num_args) {
    2078        5258 :                         if (Z_REFCOUNTED_P(p)) Z_ADDREF_P(p);
    2079        5258 :                         zend_hash_next_index_insert_new(Z_ARRVAL_P(arg_array), p);
    2080        5258 :                         p++;
    2081        5258 :                         i++;
    2082             :                 }
    2083             :         }
    2084        2880 : }
    2085             : /* }}} */
    2086             : 
    2087          42 : void debug_print_backtrace_args(zval *arg_array TSRMLS_DC) /* {{{ */
    2088             : {
    2089             :         zval *tmp;
    2090          42 :         int i = 0;
    2091             : 
    2092         144 :         ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(arg_array), tmp) {
    2093          51 :                 if (i++) {
    2094          29 :                         ZEND_PUTS(", ");
    2095             :                 }
    2096          51 :                 zend_print_flat_zval_r(tmp TSRMLS_CC);
    2097             :         } ZEND_HASH_FOREACH_END();
    2098          42 : }
    2099             : /* }}} */
    2100             : 
    2101             : /* {{{ proto void debug_print_backtrace([int options[, int limit]]) */
    2102          28 : ZEND_FUNCTION(debug_print_backtrace)
    2103             : {
    2104             :         zend_execute_data *call, *ptr, *skip;
    2105             :         zend_object *object;
    2106          28 :         int lineno, frameno = 0;
    2107             :         zend_function *func;
    2108             :         const char *function_name;
    2109             :         const char *filename;
    2110          28 :         zend_string *class_name = NULL;
    2111             :         char *call_type;
    2112          28 :         const char *include_filename = NULL;
    2113             :         zval arg_array;
    2114          28 :         int indent = 0;
    2115          28 :         zend_long options = 0;
    2116          28 :         zend_long limit = 0;
    2117             : 
    2118          28 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ll", &options, &limit) == FAILURE) {
    2119           0 :                 return;
    2120             :         }
    2121             : 
    2122          28 :         ZVAL_UNDEF(&arg_array);
    2123          28 :         ptr = EX(prev_execute_data);
    2124             : 
    2125             :         /* skip debug_backtrace() */
    2126          28 :         call = ptr;
    2127          28 :         ptr = ptr->prev_execute_data;
    2128             : 
    2129         115 :         while (ptr && (limit == 0 || frameno < limit)) {
    2130          59 :                 frameno++;
    2131          59 :                 class_name = NULL;
    2132          59 :                 call_type = NULL;   
    2133          59 :                 ZVAL_UNDEF(&arg_array);
    2134             : 
    2135          59 :                 skip = ptr;
    2136             :                 /* skip internal handler */
    2137          78 :                 if ((!skip->func || !ZEND_USER_CODE(skip->func->common.type)) &&
    2138           4 :                     skip->prev_execute_data &&
    2139           4 :                     skip->prev_execute_data->func &&
    2140           4 :                     ZEND_USER_CODE(skip->prev_execute_data->func->common.type) &&
    2141           4 :                     skip->prev_execute_data->opline->opcode != ZEND_DO_FCALL &&
    2142           3 :                     skip->prev_execute_data->opline->opcode != ZEND_INCLUDE_OR_EVAL) {
    2143           1 :                         skip = skip->prev_execute_data;
    2144             :                 }
    2145             : 
    2146         115 :                 if (skip->func && ZEND_USER_CODE(skip->func->common.type)) {
    2147          56 :                         filename = skip->func->op_array.filename->val;
    2148          56 :                         if (skip->opline->opcode == ZEND_HANDLE_EXCEPTION) {
    2149           0 :                                 if (EG(opline_before_exception)) {
    2150           0 :                                         lineno = EG(opline_before_exception)->lineno;
    2151             :                                 } else {
    2152           0 :                                         lineno = skip->func->op_array.line_end;
    2153             :                                 }
    2154             :                         } else {
    2155          56 :                                 lineno = skip->opline->lineno;
    2156             :                         }
    2157             :                 } else {
    2158           3 :                         filename = NULL;
    2159           3 :                         lineno = 0;
    2160             :                 }
    2161             : 
    2162             :                 /* $this may be passed into regular internal functions */
    2163          59 :                 object = Z_OBJ(call->This);
    2164          75 :                 if (object &&
    2165             :                         call &&
    2166          15 :                     call->func->type == ZEND_INTERNAL_FUNCTION &&
    2167           1 :                     !call->func->common.scope) {
    2168           0 :                         object = NULL;
    2169             :                 }
    2170             : 
    2171          59 :                 if (call->func) {
    2172          57 :                         func = call->func;
    2173         193 :                         function_name = (func->common.scope &&
    2174          29 :                                          func->common.scope->trait_aliases) ?
    2175           6 :                                 zend_resolve_method_name(
    2176             :                                         (object ? object->ce : func->common.scope), func)->val :
    2177          51 :                                 (func->common.function_name ? 
    2178          50 :                                         func->common.function_name->val : NULL);
    2179             :                 } else {
    2180           2 :                         func = NULL;
    2181           2 :                         function_name = NULL;
    2182             :                 }
    2183             : 
    2184          59 :                 if (function_name) {
    2185          56 :                         if (object) {
    2186          15 :                                 if (func->common.scope) {
    2187          15 :                                         class_name = func->common.scope->name;
    2188             :                                 } else {
    2189           0 :                                         class_name = object->ce->name;
    2190             :                                 }
    2191             : 
    2192          15 :                                 call_type = "->";
    2193          41 :                         } else if (func->common.scope) {
    2194          14 :                                 class_name = func->common.scope->name;
    2195          14 :                                 call_type = "::";
    2196             :                         } else {
    2197          27 :                                 class_name = NULL;
    2198          27 :                                 call_type = NULL;
    2199             :                         }
    2200          56 :                         if (func->type != ZEND_EVAL_CODE) {
    2201          56 :                                 if ((options & DEBUG_BACKTRACE_IGNORE_ARGS) == 0) {
    2202          42 :                                         debug_backtrace_get_args(call, &arg_array TSRMLS_CC);
    2203             :                                 }
    2204             :                         }
    2205             :                 } else {
    2206             :                         /* i know this is kinda ugly, but i'm trying to avoid extra cycles in the main execution loop */
    2207           3 :                         zend_bool build_filename_arg = 1;
    2208             : 
    2209           3 :                         if (!ptr->func || !ZEND_USER_CODE(ptr->func->common.type) || ptr->opline->opcode != ZEND_INCLUDE_OR_EVAL) {
    2210             :                                 /* can happen when calling eval from a custom sapi */
    2211           0 :                                 function_name = "unknown";
    2212           0 :                                 build_filename_arg = 0;
    2213             :                         } else
    2214           3 :                         switch (ptr->opline->extended_value) {
    2215             :                                 case ZEND_EVAL:
    2216           1 :                                         function_name = "eval";
    2217           1 :                                         build_filename_arg = 0;
    2218           1 :                                         break;
    2219             :                                 case ZEND_INCLUDE:
    2220           2 :                                         function_name = "include";
    2221           2 :                                         break;
    2222             :                                 case ZEND_REQUIRE:
    2223           0 :                                         function_name = "require";
    2224           0 :                                         break;
    2225             :                                 case ZEND_INCLUDE_ONCE:
    2226           0 :                                         function_name = "include_once";
    2227           0 :                                         break;
    2228             :                                 case ZEND_REQUIRE_ONCE:
    2229           0 :                                         function_name = "require_once";
    2230           0 :                                         break;
    2231             :                                 default:
    2232             :                                         /* this can actually happen if you use debug_backtrace() in your error_handler and 
    2233             :                                          * you're in the top-scope */
    2234           0 :                                         function_name = "unknown"; 
    2235           0 :                                         build_filename_arg = 0;
    2236             :                                         break;
    2237             :                         }
    2238             : 
    2239           3 :                         if (build_filename_arg && include_filename) {
    2240           0 :                                 array_init(&arg_array);
    2241           0 :                                 add_next_index_string(&arg_array, (char*)include_filename);
    2242             :                         }
    2243           3 :                         call_type = NULL;
    2244             :                 }
    2245          59 :                 zend_printf("#%-2d ", indent);
    2246          59 :                 if (class_name) {
    2247          29 :                         ZEND_PUTS(class_name->val);
    2248          29 :                         ZEND_PUTS(call_type);
    2249             :                 }
    2250          59 :                 zend_printf("%s(", function_name);
    2251          59 :                 if (Z_TYPE(arg_array) != IS_UNDEF) {
    2252          42 :                         debug_print_backtrace_args(&arg_array TSRMLS_CC);
    2253          42 :                         zval_ptr_dtor(&arg_array);
    2254             :                 }
    2255          59 :                 if (filename) {
    2256          56 :                         zend_printf(") called at [%s:%d]\n", filename, lineno);
    2257             :                 } else {
    2258           3 :                         zend_execute_data *prev_call = skip;
    2259           3 :                         zend_execute_data *prev = skip->prev_execute_data;
    2260             : 
    2261           6 :                         while (prev) {
    2262           7 :                                 if (prev_call &&
    2263           3 :                                     prev_call->func &&
    2264           1 :                                         !ZEND_USER_CODE(prev_call->func->common.type)) {
    2265           1 :                                         prev = NULL;
    2266           1 :                                         break;
    2267             :                                 }                                   
    2268           2 :                                 if (prev->func && ZEND_USER_CODE(prev->func->common.type)) {
    2269           2 :                                         zend_printf(") called at [%s:%d]\n", prev->func->op_array.filename->val, prev->opline->lineno);
    2270           2 :                                         break;
    2271             :                                 }
    2272           0 :                                 prev_call = prev;
    2273           0 :                                 prev = prev->prev_execute_data;
    2274             :                         }
    2275           3 :                         if (!prev) {
    2276           1 :                                 ZEND_PUTS(")\n");
    2277             :                         }
    2278             :                 }
    2279          59 :                 include_filename = filename;
    2280          59 :                 call = skip;
    2281          59 :                 ptr = skip->prev_execute_data;
    2282          59 :                 ++indent;
    2283             :         }
    2284             : }
    2285             : 
    2286             : /* }}} */
    2287             : 
    2288        1722 : ZEND_API void zend_fetch_debug_backtrace(zval *return_value, int skip_last, int options, int limit TSRMLS_DC) /* {{{ */
    2289             : {
    2290             :         zend_execute_data *call, *ptr, *skip;
    2291             :         zend_object *object;
    2292        1722 :         int lineno, frameno = 0;
    2293             :         zend_function *func;
    2294             :         const char *function_name;
    2295             :         const char *filename;
    2296        1722 :         const char *include_filename = NULL;
    2297             :         zval stack_frame;
    2298             : 
    2299        1722 :         call = NULL;
    2300        1722 :         ptr = EG(current_execute_data);
    2301        1722 :         if (!ptr->func || !ZEND_USER_CODE(ptr->func->common.type)) {
    2302        1300 :                 call = ptr;
    2303        1300 :                 ptr = ptr->prev_execute_data;
    2304             :         }
    2305             : 
    2306        1722 :         if (ptr) {
    2307        1722 :                 if (skip_last) {
    2308             :                         /* skip debug_backtrace() */
    2309          47 :                         call = ptr;
    2310          47 :                         ptr = ptr->prev_execute_data;
    2311             :                 } else {
    2312             :                         /* skip "new Exception()" */
    2313        1675 :                         if (ptr->func && ZEND_USER_CODE(ptr->func->common.type) && (ptr->opline->opcode == ZEND_NEW)) {
    2314         383 :                                 call = ptr;
    2315         383 :                                 ptr = ptr->prev_execute_data;
    2316             :                         }
    2317             :                 }
    2318             :         }
    2319        1722 :         if (!call) {
    2320          37 :                 call = ptr;
    2321          37 :                 ptr = ptr->prev_execute_data;
    2322             :         }
    2323             : 
    2324        1722 :         array_init(return_value);
    2325             : 
    2326        6410 :         while (ptr && (limit == 0 || frameno < limit)) {
    2327        2966 :                 frameno++;
    2328        2966 :                 array_init(&stack_frame);
    2329             : 
    2330        2966 :                 skip = ptr;
    2331             :                 /* skip internal handler */
    2332        6443 :                 if ((!skip->func || !ZEND_USER_CODE(skip->func->common.type)) &&
    2333         922 :                     skip->prev_execute_data &&
    2334         912 :                     skip->prev_execute_data->func &&
    2335         901 :                     ZEND_USER_CODE(skip->prev_execute_data->func->common.type) &&
    2336         638 :                     skip->prev_execute_data->opline->opcode != ZEND_DO_FCALL &&
    2337         104 :                     skip->prev_execute_data->opline->opcode != ZEND_INCLUDE_OR_EVAL) {
    2338         101 :                         skip = skip->prev_execute_data;
    2339             :                 }
    2340             : 
    2341        5111 :                 if (skip->func && ZEND_USER_CODE(skip->func->common.type)) {
    2342        2145 :                         filename = skip->func->op_array.filename->val;
    2343        2145 :                         if (skip->opline->opcode == ZEND_HANDLE_EXCEPTION) {
    2344           2 :                                 if (EG(opline_before_exception)) {
    2345           2 :                                         lineno = EG(opline_before_exception)->lineno;
    2346             :                                 } else {
    2347           0 :                                         lineno = skip->func->op_array.line_end;
    2348             :                                 }
    2349             :                         } else {
    2350        2143 :                                 lineno = skip->opline->lineno;
    2351             :                         }
    2352        2145 :                         add_assoc_string_ex(&stack_frame, "file", sizeof("file")-1, (char*)filename);
    2353        2145 :                         add_assoc_long_ex(&stack_frame, "line", sizeof("line")-1, lineno);
    2354             : 
    2355             :                         /* try to fetch args only if an FCALL was just made - elsewise we're in the middle of a function
    2356             :                          * and debug_baktrace() might have been called by the error_handler. in this case we don't 
    2357             :                          * want to pop anything of the argument-stack */
    2358             :                 } else {
    2359         821 :                         zend_execute_data *prev_call = skip;
    2360         821 :                         zend_execute_data *prev = skip->prev_execute_data;
    2361             : 
    2362        1642 :                         while (prev) {
    2363        4046 :                                 if (prev_call &&
    2364         811 :                                     prev_call->func &&
    2365         808 :                                         !ZEND_USER_CODE(prev_call->func->common.type) &&
    2366         808 :                                         !(prev_call->func->common.type == ZEND_INTERNAL_FUNCTION &&
    2367         808 :                                                 (prev_call->func->common.fn_flags & ZEND_ACC_CALL_VIA_HANDLER))) {
    2368             :                                         break;
    2369             :                                 }                                   
    2370         267 :                                 if (prev->func && ZEND_USER_CODE(prev->func->common.type)) {
    2371         534 :                                         add_assoc_str_ex(&stack_frame, "file", sizeof("file")-1, zend_string_copy(prev->func->op_array.filename));
    2372         267 :                                         add_assoc_long_ex(&stack_frame, "line", sizeof("line")-1, prev->opline->lineno);
    2373         267 :                                         break;
    2374             :                                 }
    2375           0 :                                 prev_call = prev;
    2376           0 :                                 prev = prev->prev_execute_data;
    2377             :                         }
    2378         821 :                         filename = NULL;
    2379             :                 }
    2380             : 
    2381             :                 /* $this may be passed into regular internal functions */
    2382        2966 :                 object = call ? Z_OBJ(call->This) : NULL;
    2383        9111 :                 if (object &&
    2384        2140 :                     call->func &&
    2385        2138 :                     call->func->type == ZEND_INTERNAL_FUNCTION &&
    2386        1867 :                     !call->func->common.scope) {
    2387           3 :                         object = NULL;
    2388             :                 }
    2389             : 
    2390        5929 :                 if (call && call->func) {
    2391        2963 :                         func = call->func;
    2392       11084 :                         function_name = (func->common.scope &&
    2393        2310 :                                          func->common.scope->trait_aliases) ?
    2394           2 :                                 zend_resolve_method_name(
    2395             :                                         (object ? object->ce : func->common.scope), func)->val :
    2396        2961 :                                 (func->common.function_name ? 
    2397        2848 :                                         func->common.function_name->val : NULL);
    2398             :                 } else {
    2399           3 :                         func = NULL;
    2400           3 :                         function_name = NULL;
    2401             :                 }
    2402             : 
    2403        2966 :                 if (function_name) {
    2404        2850 :                         add_assoc_string_ex(&stack_frame, "function", sizeof("function")-1, (char*)function_name);
    2405             : 
    2406        2850 :                         if (object) {
    2407        2135 :                                 if (func->common.scope) {
    2408        4270 :                                         add_assoc_str_ex(&stack_frame, "class", sizeof("class")-1, zend_string_copy(func->common.scope->name));
    2409             :                                 } else {
    2410           0 :                                         add_assoc_str_ex(&stack_frame, "class", sizeof("class")-1, zend_string_copy(object->ce->name));
    2411             :                                         
    2412             :                                 }
    2413        2135 :                                 if ((options & DEBUG_BACKTRACE_PROVIDE_OBJECT) != 0) {
    2414             :                                         zval zv;
    2415          26 :                                         ZVAL_OBJ(&zv, object);
    2416          26 :                                         add_assoc_zval_ex(&stack_frame, "object", sizeof("object")-1, &zv);
    2417             :                                         Z_ADDREF(zv);
    2418             :                                 }
    2419             : 
    2420        2135 :                                 add_assoc_string_ex(&stack_frame, "type", sizeof("type")-1, "->");
    2421         715 :                         } else if (func->common.scope) {
    2422         350 :                                 add_assoc_str_ex(&stack_frame, "class", sizeof("class")-1, zend_string_copy(func->common.scope->name));
    2423         175 :                                 add_assoc_string_ex(&stack_frame, "type", sizeof("type")-1, "::");
    2424             :                         }
    2425             : 
    2426        5688 :                         if ((options & DEBUG_BACKTRACE_IGNORE_ARGS) == 0 && 
    2427        2838 :                                 func->type != ZEND_EVAL_CODE) {
    2428             :                                 zval args;
    2429             : 
    2430        2838 :                                 debug_backtrace_get_args(call, &args TSRMLS_CC);
    2431        2838 :                                 add_assoc_zval_ex(&stack_frame, "args", sizeof("args")-1, &args);
    2432             :                         }
    2433             :                 } else {
    2434             :                         /* i know this is kinda ugly, but i'm trying to avoid extra cycles in the main execution loop */
    2435         116 :                         zend_bool build_filename_arg = 1;
    2436             : 
    2437         116 :                         if (!ptr->func || !ZEND_USER_CODE(ptr->func->common.type) || ptr->opline->opcode != ZEND_INCLUDE_OR_EVAL) {
    2438             :                                 /* can happen when calling eval from a custom sapi */
    2439           0 :                                 function_name = "unknown";
    2440           0 :                                 build_filename_arg = 0;
    2441             :                         } else
    2442         116 :                         switch (ptr->opline->extended_value) {
    2443             :                                 case ZEND_EVAL:
    2444          14 :                                         function_name = "eval";
    2445          14 :                                         build_filename_arg = 0;
    2446          14 :                                         break;
    2447             :                                 case ZEND_INCLUDE:
    2448          97 :                                         function_name = "include";
    2449          97 :                                         break;
    2450             :                                 case ZEND_REQUIRE:
    2451           5 :                                         function_name = "require";
    2452           5 :                                         break;
    2453             :                                 case ZEND_INCLUDE_ONCE:
    2454           0 :                                         function_name = "include_once";
    2455           0 :                                         break;
    2456             :                                 case ZEND_REQUIRE_ONCE:
    2457           0 :                                         function_name = "require_once";
    2458           0 :                                         break;
    2459             :                                 default:
    2460             :                                         /* this can actually happen if you use debug_backtrace() in your error_handler and 
    2461             :                                          * you're in the top-scope */
    2462           0 :                                         function_name = "unknown"; 
    2463           0 :                                         build_filename_arg = 0;
    2464             :                                         break;
    2465             :                         }
    2466             : 
    2467         116 :                         if (build_filename_arg && include_filename) {
    2468             :                                 zval arg_array;
    2469             : 
    2470          98 :                                 array_init(&arg_array);
    2471             : 
    2472             :                                 /* include_filename always points to the last filename of the last last called-function.
    2473             :                                    if we have called include in the frame above - this is the file we have included.
    2474             :                                  */
    2475             : 
    2476          98 :                                 add_next_index_string(&arg_array, (char*)include_filename);
    2477          98 :                                 add_assoc_zval_ex(&stack_frame, "args", sizeof("args")-1, &arg_array);
    2478             :                         }
    2479             : 
    2480         116 :                         add_assoc_string_ex(&stack_frame, "function", sizeof("function")-1, (char*)function_name);
    2481             :                 }
    2482             : 
    2483        2966 :                 zend_hash_next_index_insert_new(Z_ARRVAL_P(return_value), &stack_frame);
    2484             : 
    2485        2966 :                 include_filename = filename; 
    2486             : 
    2487        2966 :                 call = skip;
    2488        2966 :                 ptr = skip->prev_execute_data;
    2489             :         }
    2490        1722 : }
    2491             : /* }}} */
    2492             : 
    2493             : /* {{{ proto array debug_backtrace([int options[, int limit]])
    2494             :    Return backtrace as array */
    2495          45 : ZEND_FUNCTION(debug_backtrace)
    2496             : {
    2497          45 :         zend_long options = DEBUG_BACKTRACE_PROVIDE_OBJECT;
    2498          45 :         zend_long limit = 0;
    2499             :         
    2500          45 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ll", &options, &limit) == FAILURE) {
    2501           0 :                 return;
    2502             :         }
    2503             : 
    2504          45 :         zend_fetch_debug_backtrace(return_value, 1, options, limit TSRMLS_CC);
    2505             : }
    2506             : /* }}} */
    2507             : 
    2508             : /* {{{ proto bool extension_loaded(string extension_name)
    2509             :    Returns true if the named extension is loaded */
    2510       18546 : ZEND_FUNCTION(extension_loaded)
    2511             : {
    2512             :         char *extension_name;
    2513             :         size_t extension_name_len;
    2514             :         zend_string *lcname;
    2515             : 
    2516       18546 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &extension_name, &extension_name_len) == FAILURE) {
    2517           0 :                 return;
    2518             :         }
    2519             : 
    2520       37092 :         lcname = zend_string_alloc(extension_name_len, 0);
    2521       18546 :         zend_str_tolower_copy(lcname->val, extension_name, extension_name_len);
    2522       18546 :         if (zend_hash_exists(&module_registry, lcname)) {
    2523       18543 :                 RETVAL_TRUE;
    2524             :         } else {
    2525           3 :                 RETVAL_FALSE;
    2526             :         }
    2527             :         zend_string_free(lcname);
    2528             : }
    2529             : /* }}} */
    2530             : 
    2531             : /* {{{ proto array get_extension_funcs(string extension_name)
    2532             :    Returns an array with the names of functions belonging to the named extension */
    2533          34 : ZEND_FUNCTION(get_extension_funcs)
    2534             : {
    2535             :         char *extension_name;
    2536             :         zend_string *lcname;
    2537             :         size_t extension_name_len;
    2538             :         int array;
    2539             :         zend_module_entry *module;
    2540             :         zend_function *zif;
    2541             :         
    2542          34 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &extension_name, &extension_name_len) == FAILURE) {
    2543           7 :                 return;
    2544             :         }
    2545          27 :         if (strncasecmp(extension_name, "zend", sizeof("zend"))) {
    2546          50 :                 lcname = zend_string_alloc(extension_name_len, 0);
    2547          25 :                 zend_str_tolower_copy(lcname->val, extension_name, extension_name_len);
    2548             :         } else {
    2549           2 :                 lcname = zend_string_init("core", sizeof("core")-1, 0);
    2550             :         }
    2551          27 :         module = zend_hash_find_ptr(&module_registry, lcname);
    2552             :         zend_string_free(lcname);
    2553          27 :         if (!module) {
    2554          20 :                 RETURN_FALSE;
    2555             :         }
    2556             : 
    2557           7 :         if (module->functions) {
    2558             :                 /* avoid BC break, if functions list is empty, will return an empty array */
    2559           7 :                 array_init(return_value);
    2560           7 :                 array = 1;
    2561             :         } else {
    2562           0 :                 array = 0;
    2563             :         }
    2564             : 
    2565       31331 :         ZEND_HASH_FOREACH_PTR(CG(function_table), zif) {
    2566       31309 :                 if (zif->common.type == ZEND_INTERNAL_FUNCTION
    2567       31309 :                         && zif->internal_function.module == module) {
    2568        2397 :                         if (!array) {
    2569           0 :                                 array_init(return_value);
    2570           0 :                                 array = 1;
    2571             :                         }
    2572        4794 :                         add_next_index_str(return_value, zend_string_copy(zif->common.function_name));
    2573             :                 }
    2574             :         } ZEND_HASH_FOREACH_END();
    2575             : 
    2576           7 :         if (!array) {
    2577           0 :                 RETURN_FALSE;
    2578             :         }
    2579             : }
    2580             : /* }}} */
    2581             : 
    2582             : /*
    2583             :  * Local variables:
    2584             :  * tab-width: 4
    2585             :  * c-basic-offset: 4
    2586             :  * indent-tabs-mode: t
    2587             :  * End:
    2588             :  */

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