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LTP GCOV extension - code coverage report
Current view: directory - standard - var.c
Test: PHP Code Coverage
Date: 2009-11-21 Instrumented lines: 457
Code covered: 95.4 % Executed lines: 436
Legend: not executed executed

       1                 : /*
       2                 :    +----------------------------------------------------------------------+
       3                 :    | PHP Version 5                                                        |
       4                 :    +----------------------------------------------------------------------+
       5                 :    | Copyright (c) 1997-2009 The PHP Group                                |
       6                 :    +----------------------------------------------------------------------+
       7                 :    | This source file is subject to version 3.01 of the PHP 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.php.net/license/3_01.txt                                  |
      11                 :    | If you did not receive a copy of the PHP license and are unable to   |
      12                 :    | obtain it through the world-wide-web, please send a note to          |
      13                 :    | license@php.net so we can mail you a copy immediately.               |
      14                 :    +----------------------------------------------------------------------+
      15                 :    | Authors: Jani Lehtimäki <jkl@njet.net>                               |
      16                 :    |          Thies C. Arntzen <thies@thieso.net>                         |
      17                 :    |          Sascha Schumann <sascha@schumann.cx>                        |
      18                 :    +----------------------------------------------------------------------+
      19                 : */
      20                 : 
      21                 : /* $Id: var.c 287123 2009-08-11 22:46:07Z stas $ */
      22                 : 
      23                 : /* {{{ includes
      24                 : */
      25                 : #include <stdio.h>
      26                 : #include <stdlib.h>
      27                 : #include <errno.h>
      28                 : #include "php.h"
      29                 : #include "php_string.h"
      30                 : #include "php_var.h"
      31                 : #include "php_smart_str.h"
      32                 : #include "basic_functions.h"
      33                 : #include "php_incomplete_class.h"
      34                 : 
      35                 : #define COMMON (Z_ISREF_PP(struc) ? "&" : "")
      36                 : /* }}} */
      37                 : 
      38                 : static int php_array_element_dump(zval **zv TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
      39           64371 : {
      40                 :         int level;
      41                 : 
      42           64371 :         level = va_arg(args, int);
      43                 : 
      44           64371 :         if (hash_key->nKeyLength == 0) { /* numeric key */
      45           46222 :                 php_printf("%*c[%ld]=>\n", level + 1, ' ', hash_key->h);
      46                 :         } else { /* string key */
      47           18149 :                 php_printf("%*c[\"", level + 1, ' ');
      48           18149 :                 PHPWRITE(hash_key->arKey, hash_key->nKeyLength - 1);
      49           18149 :                 php_printf("\"]=>\n");
      50                 :         }
      51           64371 :         php_var_dump(zv, level + 2 TSRMLS_CC);
      52           64371 :         return 0;
      53                 : }
      54                 : /* }}} */
      55                 : 
      56                 : static int php_object_property_dump(zval **zv TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
      57            6799 : {
      58                 :         int level;
      59                 :         char *prop_name, *class_name;
      60                 : 
      61            6799 :         level = va_arg(args, int);
      62                 : 
      63            6799 :         if (hash_key->nKeyLength == 0) { /* numeric key */
      64             100 :                 php_printf("%*c[%ld]=>\n", level + 1, ' ', hash_key->h);
      65                 :         } else { /* string key */
      66            6699 :                 int unmangle = zend_unmangle_property_name(hash_key->arKey, hash_key->nKeyLength - 1, &class_name, &prop_name);
      67            6699 :                 php_printf("%*c[", level + 1, ' ');
      68                 : 
      69            7754 :                 if (class_name && unmangle == SUCCESS) {
      70            1055 :                         if (class_name[0] == '*') {
      71             360 :                                 php_printf("\"%s\":protected", prop_name);
      72                 :                         } else {
      73             695 :                                 php_printf("\"%s\":\"%s\":private", prop_name, class_name);
      74                 :                         }
      75                 :                 } else {
      76            5644 :                         php_printf("\"");
      77            5644 :                         PHPWRITE(hash_key->arKey, hash_key->nKeyLength - 1);
      78            5644 :                         php_printf("\"");
      79                 :                 }
      80            6699 :                 ZEND_PUTS("]=>\n");
      81                 :         }
      82            6799 :         php_var_dump(zv, level + 2 TSRMLS_CC);
      83            6799 :         return 0;
      84                 : }
      85                 : /* }}} */
      86                 : 
      87                 : PHPAPI void php_var_dump(zval **struc, int level TSRMLS_DC) /* {{{ */
      88          218265 : {
      89                 :         HashTable *myht;
      90                 :         char *class_name;
      91                 :         zend_uint class_name_len;
      92                 :         int (*php_element_dump_func)(zval** TSRMLS_DC, int, va_list, zend_hash_key*);
      93                 :         int is_temp;
      94                 : 
      95          218265 :         if (level > 1) {
      96           71170 :                 php_printf("%*c", level - 1, ' ');
      97                 :         }
      98                 : 
      99          218265 :         switch (Z_TYPE_PP(struc)) {
     100                 :         case IS_BOOL:
     101           44543 :                 php_printf("%sbool(%s)\n", COMMON, Z_LVAL_PP(struc) ? "true" : "false");
     102           44542 :                 break;
     103                 :         case IS_NULL:
     104           13768 :                 php_printf("%sNULL\n", COMMON);
     105           13768 :                 break;
     106                 :         case IS_LONG:
     107           61471 :                 php_printf("%sint(%ld)\n", COMMON, Z_LVAL_PP(struc));
     108           61471 :                 break;
     109                 :         case IS_DOUBLE:
     110            5328 :                 php_printf("%sfloat(%.*G)\n", COMMON, (int) EG(precision), Z_DVAL_PP(struc));
     111            5328 :                 break;
     112                 :         case IS_STRING:
     113           65643 :                 php_printf("%sstring(%d) \"", COMMON, Z_STRLEN_PP(struc));
     114           65643 :                 PHPWRITE(Z_STRVAL_PP(struc), Z_STRLEN_PP(struc));
     115           65643 :                 PUTS("\"\n");
     116           65643 :                 break;
     117                 :         case IS_ARRAY:
     118           22963 :                 myht = Z_ARRVAL_PP(struc);
     119           22963 :                 if (myht->nApplyCount > 1) {
     120             109 :                         PUTS("*RECURSION*\n");
     121             109 :                         return;
     122                 :                 }
     123           22854 :                 php_printf("%sarray(%d) {\n", COMMON, zend_hash_num_elements(myht));
     124           22854 :                 php_element_dump_func = php_array_element_dump;
     125           22854 :                 is_temp = 0;
     126           22854 :                 goto head_done;
     127                 :         case IS_OBJECT:
     128            3744 :                 myht = Z_OBJDEBUG_PP(struc, is_temp);
     129            3744 :                 if (myht && myht->nApplyCount > 1) {
     130              87 :                         PUTS("*RECURSION*\n");
     131              87 :                         return;
     132                 :                 }
     133                 : 
     134            3657 :                 Z_OBJ_HANDLER(**struc, get_class_name)(*struc, &class_name, &class_name_len, 0 TSRMLS_CC);
     135            3657 :                 php_printf("%sobject(%s)#%d (%d) {\n", COMMON, class_name, Z_OBJ_HANDLE_PP(struc), myht ? zend_hash_num_elements(myht) : 0);
     136            3657 :                 efree(class_name);
     137            3657 :                 php_element_dump_func = php_object_property_dump;
     138           26511 : head_done:
     139           26511 :                 if (myht) {
     140           26503 :                         zend_hash_apply_with_arguments(myht TSRMLS_CC, (apply_func_args_t) php_element_dump_func, 1, level);
     141           26503 :                         if (is_temp) {
     142             206 :                                 zend_hash_destroy(myht);
     143             206 :                                 efree(myht);
     144                 :                         }
     145                 :                 }
     146           26511 :                 if (level > 1) {
     147            6220 :                         php_printf("%*c", level-1, ' ');
     148                 :                 }
     149           26511 :                 PUTS("}\n");
     150           26511 :                 break;
     151                 :         case IS_RESOURCE: {
     152                 :                 char *type_name;
     153                 : 
     154             805 :                 type_name = zend_rsrc_list_get_rsrc_type(Z_LVAL_PP(struc) TSRMLS_CC);
     155             805 :                 php_printf("%sresource(%ld) of type (%s)\n", COMMON, Z_LVAL_PP(struc), type_name ? type_name : "Unknown");
     156             805 :                 break;
     157                 :         }
     158                 :         default:
     159               0 :                 php_printf("%sUNKNOWN:0\n", COMMON);
     160                 :                 break;
     161                 :         }
     162                 : }
     163                 : /* }}} */
     164                 : 
     165                 : /* {{{ proto void var_dump(mixed var)
     166                 :    Dumps a string representation of variable to output */
     167                 : PHP_FUNCTION(var_dump)
     168          145648 : {
     169                 :         zval ***args;
     170                 :         int argc;
     171                 :         int     i;
     172                 : 
     173          145648 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "+", &args, &argc) == FAILURE) {
     174               1 :                 return;
     175                 :         }
     176                 : 
     177          292741 :         for (i = 0; i < argc; i++) {
     178          147095 :                 php_var_dump(args[i], 1 TSRMLS_CC);
     179                 :         }
     180          145646 :         efree(args);
     181                 : }
     182                 : /* }}} */
     183                 : 
     184                 : static int zval_array_element_dump(zval **zv TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
     185             179 : {
     186                 :         int level;
     187                 : 
     188             179 :         level = va_arg(args, int);
     189                 : 
     190             179 :         if (hash_key->nKeyLength == 0) { /* numeric key */
     191              69 :                 php_printf("%*c[%ld]=>\n", level + 1, ' ', hash_key->h);
     192                 :         } else { /* string key */
     193                 :                 /* XXX: perphaps when we are inside the class we should permit access to
     194                 :                  * private & protected values
     195                 :                  */
     196             110 :                 if (va_arg(args, int) && hash_key->arKey[0] == '\0') {
     197               0 :                         return 0;
     198                 :                 }
     199             110 :                 php_printf("%*c[\"", level + 1, ' ');
     200             110 :                 PHPWRITE(hash_key->arKey, hash_key->nKeyLength - 1);
     201             110 :                 php_printf("\"]=>\n");
     202                 :         }
     203             179 :         php_debug_zval_dump(zv, level + 2 TSRMLS_CC);
     204             179 :         return 0;
     205                 : }
     206                 : /* }}} */
     207                 : 
     208                 : static int zval_object_property_dump(zval **zv TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
     209             242 : {
     210                 :         int level;
     211                 :         char *prop_name, *class_name;
     212                 : 
     213             242 :         level = va_arg(args, int);
     214                 : 
     215             242 :         if (hash_key->nKeyLength == 0) { /* numeric key */
     216               0 :                 php_printf("%*c[%ld]=>\n", level + 1, ' ', hash_key->h);
     217                 :         } else { /* string key */
     218             242 :                 zend_unmangle_property_name(hash_key->arKey, hash_key->nKeyLength - 1, &class_name, &prop_name);
     219             242 :                 php_printf("%*c[", level + 1, ' ');
     220                 : 
     221             242 :                 if (class_name) {
     222              78 :                         if (class_name[0] == '*') {
     223              39 :                                 php_printf("\"%s\":protected", prop_name);
     224                 :                         } else {
     225              39 :                                 php_printf("\"%s\":\"%s\":private", prop_name, class_name);
     226                 :                         }
     227                 :                 } else {
     228             164 :                         php_printf("\"%s\"", prop_name);
     229                 :                 }
     230             242 :                 ZEND_PUTS("]=>\n");
     231                 :         }
     232             242 :         php_debug_zval_dump(zv, level + 2 TSRMLS_CC);
     233             242 :         return 0;
     234                 : }
     235                 : /* }}} */
     236                 : 
     237                 : PHPAPI void php_debug_zval_dump(zval **struc, int level TSRMLS_DC) /* {{{ */
     238             735 : {
     239             735 :         HashTable *myht = NULL;
     240                 :         char *class_name;
     241                 :         zend_uint class_name_len;
     242                 :         zend_class_entry *ce;
     243                 :         int (*zval_element_dump_func)(zval** TSRMLS_DC, int, va_list, zend_hash_key*);
     244             735 :         int is_temp = 0;
     245                 : 
     246             735 :         if (level > 1) {
     247             421 :                 php_printf("%*c", level - 1, ' ');
     248                 :         }
     249                 : 
     250             735 :         switch (Z_TYPE_PP(struc)) {
     251                 :         case IS_BOOL:
     252              12 :                 php_printf("%sbool(%s) refcount(%u)\n", COMMON, Z_LVAL_PP(struc)?"true":"false", Z_REFCOUNT_PP(struc));
     253              12 :                 break;
     254                 :         case IS_NULL:
     255              27 :                 php_printf("%sNULL refcount(%u)\n", COMMON, Z_REFCOUNT_PP(struc));
     256              27 :                 break;
     257                 :         case IS_LONG:
     258             387 :                 php_printf("%slong(%ld) refcount(%u)\n", COMMON, Z_LVAL_PP(struc), Z_REFCOUNT_PP(struc));
     259             387 :                 break;
     260                 :         case IS_DOUBLE:
     261              38 :                 php_printf("%sdouble(%.*G) refcount(%u)\n", COMMON, (int) EG(precision), Z_DVAL_PP(struc), Z_REFCOUNT_PP(struc));
     262              38 :                 break;
     263                 :         case IS_STRING:
     264             105 :                 php_printf("%sstring(%d) \"", COMMON, Z_STRLEN_PP(struc));
     265             105 :                 PHPWRITE(Z_STRVAL_PP(struc), Z_STRLEN_PP(struc));
     266             105 :                 php_printf("\" refcount(%u)\n", Z_REFCOUNT_PP(struc));
     267             105 :                 break;
     268                 :         case IS_ARRAY:
     269              98 :                 myht = Z_ARRVAL_PP(struc);
     270              98 :                 if (myht->nApplyCount > 1) {
     271               0 :                         PUTS("*RECURSION*\n");
     272               0 :                         return;
     273                 :                 }
     274              98 :                 php_printf("%sarray(%d) refcount(%u){\n", COMMON, zend_hash_num_elements(myht), Z_REFCOUNT_PP(struc));
     275              98 :                 zval_element_dump_func = zval_array_element_dump;
     276              98 :                 goto head_done;
     277                 :         case IS_OBJECT:
     278              66 :                 myht = Z_OBJDEBUG_PP(struc, is_temp);
     279              66 :                 if (myht && myht->nApplyCount > 1) {
     280              24 :                         PUTS("*RECURSION*\n");
     281              24 :                         return;
     282                 :                 }
     283              42 :                 ce = Z_OBJCE_PP(struc);
     284              42 :                 Z_OBJ_HANDLER_PP(struc, get_class_name)(*struc, &class_name, &class_name_len, 0 TSRMLS_CC);
     285              42 :                 php_printf("%sobject(%s)#%d (%d) refcount(%u){\n", COMMON, class_name, Z_OBJ_HANDLE_PP(struc), myht ? zend_hash_num_elements(myht) : 0, Z_REFCOUNT_PP(struc));
     286              42 :                 efree(class_name);
     287              42 :                 zval_element_dump_func = zval_object_property_dump;
     288             140 : head_done:
     289             140 :                 if (myht) {
     290             140 :                         zend_hash_apply_with_arguments(myht TSRMLS_CC, (apply_func_args_t) zval_element_dump_func, 1, level, (Z_TYPE_PP(struc) == IS_ARRAY ? 0 : 1));
     291             140 :                         if (is_temp) {
     292               1 :                                 zend_hash_destroy(myht);
     293               1 :                                 efree(myht);
     294                 :                         }
     295                 :                 }
     296             140 :                 if (level > 1) {
     297              88 :                         php_printf("%*c", level - 1, ' ');
     298                 :                 }
     299             140 :                 PUTS("}\n");
     300             140 :                 break;
     301                 :         case IS_RESOURCE: {
     302                 :                 char *type_name;
     303                 : 
     304               2 :                 type_name = zend_rsrc_list_get_rsrc_type(Z_LVAL_PP(struc) TSRMLS_CC);
     305               2 :                 php_printf("%sresource(%ld) of type (%s) refcount(%u)\n", COMMON, Z_LVAL_PP(struc), type_name ? type_name : "Unknown", Z_REFCOUNT_PP(struc));
     306               2 :                 break;
     307                 :         }
     308                 :         default:
     309               0 :                 php_printf("%sUNKNOWN:0\n", COMMON);
     310                 :                 break;
     311                 :         }
     312                 : }
     313                 : /* }}} */
     314                 : 
     315                 : /* {{{ proto void debug_zval_dump(mixed var)
     316                 :    Dumps a string representation of an internal zend value to output. */
     317                 : PHP_FUNCTION(debug_zval_dump)
     318             221 : {
     319                 :         zval ***args;
     320                 :         int argc;
     321                 :         int     i;
     322                 : 
     323             221 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "+", &args, &argc) == FAILURE) {
     324               1 :                 return;
     325                 :         }
     326                 : 
     327             534 :         for (i = 0; i < argc; i++) {
     328             314 :                 php_debug_zval_dump(args[i], 1 TSRMLS_CC);
     329                 :         }
     330             220 :         efree(args);
     331                 : }
     332                 : /* }}} */
     333                 : 
     334                 : static int php_array_element_export(zval **zv TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
     335            1062 : {
     336                 :         int level;
     337                 : 
     338            1062 :         level = va_arg(args, int);
     339                 : 
     340            1062 :         if (hash_key->nKeyLength == 0) { /* numeric key */
     341             942 :                 php_printf("%*c%ld => ", level + 1, ' ', hash_key->h);
     342                 :         } else { /* string key */
     343                 :                 char *key, *tmp_str;
     344                 :                 int key_len, tmp_len;
     345             120 :                 key = php_addcslashes(hash_key->arKey, hash_key->nKeyLength - 1, &key_len, 0, "'\\", 2 TSRMLS_CC);
     346             120 :                 tmp_str = php_str_to_str_ex(key, key_len, "\0", 1, "' . \"\\0\" . '", 12, &tmp_len, 0, NULL);
     347             120 :                 php_printf("%*c'", level + 1, ' ');
     348             120 :                 PHPWRITE(tmp_str, tmp_len);
     349             120 :                 php_printf("' => ");
     350             120 :                 efree(key);
     351             120 :                 efree(tmp_str);
     352                 :         }
     353            1062 :         php_var_export(zv, level + 2 TSRMLS_CC);
     354            1058 :         PUTS (",\n");
     355            1058 :         return 0;
     356                 : }
     357                 : /* }}} */
     358                 : 
     359                 : static int php_object_element_export(zval **zv TSRMLS_DC, int num_args, va_list args, zend_hash_key *hash_key) /* {{{ */
     360             283 : {
     361                 :         int level;
     362                 :         char *prop_name, *class_name;
     363                 : 
     364             283 :         level = va_arg(args, int);
     365                 : 
     366             283 :         php_printf("%*c", level + 1, ' ');
     367             283 :         if (hash_key->nKeyLength != 0) {
     368             280 :                 zend_unmangle_property_name(hash_key->arKey, hash_key->nKeyLength - 1, &class_name, &prop_name);
     369             280 :                 php_printf(" '%s' => ", prop_name);
     370                 :         } else {
     371               3 :                 php_printf(" %ld => ", hash_key->h);
     372                 :         }
     373             283 :         php_var_export(zv, level + 2 TSRMLS_CC);
     374             280 :         PUTS (",\n");
     375             280 :         return 0;
     376                 : }
     377                 : /* }}} */
     378                 : 
     379                 : PHPAPI void php_var_export(zval **struc, int level TSRMLS_DC) /* {{{ */
     380            2995 : {
     381                 :         HashTable *myht;
     382                 :         char *tmp_str, *tmp_str2;
     383                 :         int tmp_len, tmp_len2;
     384                 :         char *class_name;
     385                 :         zend_uint class_name_len;
     386                 : 
     387            2995 :         switch (Z_TYPE_PP(struc)) {
     388                 :         case IS_BOOL:
     389             146 :                 php_printf("%s", Z_LVAL_PP(struc) ? "true" : "false");
     390             146 :                 break;
     391                 :         case IS_NULL:
     392              79 :                 php_printf("NULL");
     393              79 :                 break;
     394                 :         case IS_LONG:
     395             666 :                 php_printf("%ld", Z_LVAL_PP(struc));
     396             666 :                 break;
     397                 :         case IS_DOUBLE:
     398             206 :                 php_printf("%.*H", (int) EG(precision), Z_DVAL_PP(struc));
     399             206 :                 break;
     400                 :         case IS_STRING:
     401            1251 :                 tmp_str = php_addcslashes(Z_STRVAL_PP(struc), Z_STRLEN_PP(struc), &tmp_len, 0, "'\\", 2 TSRMLS_CC);
     402            1251 :                 tmp_str2 = php_str_to_str_ex(tmp_str, tmp_len, "\0", 1, "' . \"\\0\" . '", 12, &tmp_len2, 0, NULL);
     403            1251 :                 PUTS ("'");
     404            1251 :                 PHPWRITE(tmp_str2, tmp_len2);
     405            1251 :                 PUTS ("'");
     406            1251 :                 efree(tmp_str2);
     407            1251 :                 efree(tmp_str);
     408            1251 :                 break;
     409                 :         case IS_ARRAY:
     410             433 :                 myht = Z_ARRVAL_PP(struc);
     411             433 :                 if (level > 1) {
     412              44 :                         php_printf("\n%*c", level - 1, ' ');
     413                 :                 }
     414             433 :                 PUTS ("array (\n");
     415             433 :                 zend_hash_apply_with_arguments(myht TSRMLS_CC, (apply_func_args_t) php_array_element_export, 1, level, 0);
     416             428 :                 if (level > 1) {
     417              40 :                         php_printf("%*c", level - 1, ' ');
     418                 :                 }
     419             428 :                 PUTS(")");
     420             428 :                 break;
     421                 :         case IS_OBJECT:
     422             214 :                 myht = Z_OBJPROP_PP(struc);
     423             214 :                 if (level > 1) {
     424             143 :                         php_printf("\n%*c", level - 1, ' ');
     425                 :                 }
     426             214 :                 Z_OBJ_HANDLER(**struc, get_class_name)(*struc, &class_name, &class_name_len, 0 TSRMLS_CC);
     427             214 :                 php_printf ("%s::__set_state(array(\n", class_name);
     428             214 :                 efree(class_name);
     429             214 :                 if (myht) {
     430             214 :                         zend_hash_apply_with_arguments(myht TSRMLS_CC, (apply_func_args_t) php_object_element_export, 1, level);
     431                 :                 }
     432             210 :                 if (level > 1) {
     433             140 :                         php_printf("%*c", level - 1, ' ');
     434                 :                 }
     435             210 :                 php_printf ("))");
     436             210 :                 break;
     437                 :         default:
     438               0 :                 PUTS ("NULL");
     439                 :                 break;
     440                 :         }
     441            2986 : }
     442                 : /* }}} */
     443                 : 
     444                 : /* {{{ proto mixed var_export(mixed var [, bool return])
     445                 :    Outputs or returns a string representation of a variable */
     446                 : PHP_FUNCTION(var_export)
     447            1654 : {
     448                 :         zval *var;
     449            1654 :         zend_bool return_output = 0;
     450                 : 
     451            1654 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|b", &var, &return_output) == FAILURE) {
     452               4 :                 return;
     453                 :         }
     454                 : 
     455            1650 :         if (return_output) {
     456            1304 :                 php_start_ob_buffer (NULL, 0, 1 TSRMLS_CC);
     457                 :         }
     458                 : 
     459            1650 :         php_var_export(&var, 1 TSRMLS_CC);
     460                 : 
     461            1648 :         if (return_output) {
     462            1302 :                 php_ob_get_buffer (return_value TSRMLS_CC);
     463            1302 :                 php_end_ob_buffer (0, 0 TSRMLS_CC);
     464                 :         }
     465                 : }
     466                 : /* }}} */
     467                 : 
     468                 : static void php_var_serialize_intern(smart_str *buf, zval *struc, HashTable *var_hash TSRMLS_DC);
     469                 : 
     470                 : static inline int php_add_var_hash(HashTable *var_hash, zval *var, void *var_old TSRMLS_DC) /* {{{ */
     471           29067 : {
     472                 :         ulong var_no;
     473                 :         char id[32], *p;
     474                 :         register int len;
     475                 : 
     476                 :         /* relies on "(long)" being a perfect hash function for data pointers,
     477                 :          * however the actual identity of an object has had to be determined
     478                 :          * by its object handle and the class entry since 5.0. */
     479           29288 :         if ((Z_TYPE_P(var) == IS_OBJECT) && Z_OBJ_HT_P(var)->get_class_entry) {
     480             221 :                 p = smart_str_print_long(id + sizeof(id) - 1,
     481                 :                                 (((size_t)Z_OBJCE_P(var) << 5)
     482                 :                                 | ((size_t)Z_OBJCE_P(var) >> (sizeof(long) * 8 - 5)))
     483                 :                                 + (long) Z_OBJ_HANDLE_P(var));
     484             221 :                 *(--p) = 'O';
     485             221 :                 len = id + sizeof(id) - 1 - p;
     486                 :         } else {
     487           28846 :                 p = smart_str_print_long(id + sizeof(id) - 1, (long) var);
     488           28846 :                 len = id + sizeof(id) - 1 - p;
     489                 :         }
     490                 : 
     491           29067 :         if (var_old && zend_hash_find(var_hash, p, len, var_old) == SUCCESS) {
     492           27689 :                 if (!Z_ISREF_P(var)) {
     493                 :                         /* we still need to bump up the counter, since non-refs will
     494                 :                          * be counted separately by unserializer */
     495           27620 :                         var_no = -1;
     496           27620 :                         zend_hash_next_index_insert(var_hash, &var_no, sizeof(var_no), NULL);
     497                 :                 }
     498           27689 :                 return FAILURE;
     499                 :         }
     500                 : 
     501                 :         /* +1 because otherwise hash will think we are trying to store NULL pointer */
     502            1378 :         var_no = zend_hash_num_elements(var_hash) + 1;
     503            1378 :         zend_hash_add(var_hash, p, len, &var_no, sizeof(var_no), NULL);
     504            1378 :         return SUCCESS;
     505                 : }
     506                 : /* }}} */
     507                 : 
     508                 : static inline void php_var_serialize_long(smart_str *buf, long val) /* {{{ */
     509            6646 : {
     510            6646 :         smart_str_appendl(buf, "i:", 2);
     511            6646 :         smart_str_append_long(buf, val);
     512            6646 :         smart_str_appendc(buf, ';');
     513            6646 : }
     514                 : /* }}} */
     515                 : 
     516                 : static inline void php_var_serialize_string(smart_str *buf, char *str, int len) /* {{{ */
     517           41686 : {
     518           41686 :         smart_str_appendl(buf, "s:", 2);
     519           41686 :         smart_str_append_long(buf, len);
     520           41686 :         smart_str_appendl(buf, ":\"", 2);
     521           41686 :         smart_str_appendl(buf, str, len);
     522           41686 :         smart_str_appendl(buf, "\";", 2);
     523           41686 : }
     524                 : /* }}} */
     525                 : 
     526                 : static inline zend_bool php_var_serialize_class_name(smart_str *buf, zval *struc TSRMLS_DC) /* {{{ */
     527             150 : {
     528             150 :         PHP_CLASS_ATTRIBUTES;
     529                 : 
     530             150 :         PHP_SET_CLASS_ATTRIBUTES(struc);
     531             150 :         smart_str_appendl(buf, "O:", 2);
     532             150 :         smart_str_append_long(buf, name_len);
     533             150 :         smart_str_appendl(buf, ":\"", 2);
     534             150 :         smart_str_appendl(buf, class_name, name_len);
     535             150 :         smart_str_appendl(buf, "\":", 2);
     536             150 :         PHP_CLEANUP_CLASS_ATTRIBUTES();
     537             150 :         return incomplete_class;
     538                 : }
     539                 : /* }}} */
     540                 : 
     541                 : static void php_var_serialize_class(smart_str *buf, zval *struc, zval *retval_ptr, HashTable *var_hash TSRMLS_DC) /* {{{ */
     542               4 : {
     543                 :         int count;
     544                 :         zend_bool incomplete_class;
     545                 : 
     546               4 :         incomplete_class = php_var_serialize_class_name(buf, struc TSRMLS_CC);
     547                 :         /* count after serializing name, since php_var_serialize_class_name
     548                 :          * changes the count if the variable is incomplete class */
     549               4 :         count = zend_hash_num_elements(HASH_OF(retval_ptr));
     550               4 :         if (incomplete_class) {
     551               0 :                 --count;
     552                 :         }
     553               4 :         smart_str_append_long(buf, count);
     554               4 :         smart_str_appendl(buf, ":{", 2);
     555                 : 
     556               4 :         if (count > 0) {
     557                 :                 char *key;
     558                 :                 zval **d, **name;
     559                 :                 ulong index;
     560                 :                 HashPosition pos;
     561                 :                 int i;
     562                 :                 zval nval, *nvalp;
     563                 : 
     564               3 :                 ZVAL_NULL(&nval);
     565               3 :                 nvalp = &nval;
     566                 : 
     567               3 :                 zend_hash_internal_pointer_reset_ex(HASH_OF(retval_ptr), &pos);
     568                 : 
     569               8 :                 for (;; zend_hash_move_forward_ex(HASH_OF(retval_ptr), &pos)) {
     570              11 :                         i = zend_hash_get_current_key_ex(HASH_OF(retval_ptr), &key, NULL, &index, 0, &pos);
     571                 : 
     572              11 :                         if (i == HASH_KEY_NON_EXISTANT) {
     573               3 :                                 break;
     574                 :                         }
     575                 : 
     576               8 :                         if (incomplete_class && strcmp(key, MAGIC_MEMBER) == 0) {
     577               0 :                                 continue;
     578                 :                         }
     579               8 :                         zend_hash_get_current_data_ex(HASH_OF(retval_ptr), (void **) &name, &pos);
     580                 : 
     581               8 :                         if (Z_TYPE_PP(name) != IS_STRING) {
     582               0 :                                 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "__sleep should return an array only containing the names of instance-variables to serialize.");
     583                 :                                 /* we should still add element even if it's not OK,
     584                 :                                  * since we already wrote the length of the array before */
     585               0 :                                 smart_str_appendl(buf,"N;", 2);
     586               0 :                                 continue;
     587                 :                         }
     588               8 :                         if (zend_hash_find(Z_OBJPROP_P(struc), Z_STRVAL_PP(name), Z_STRLEN_PP(name) + 1, (void *) &d) == SUCCESS) {
     589               4 :                                 php_var_serialize_string(buf, Z_STRVAL_PP(name), Z_STRLEN_PP(name));
     590               4 :                                 php_var_serialize_intern(buf, *d, var_hash TSRMLS_CC);
     591                 :                         } else {
     592                 :                                 zend_class_entry *ce;
     593               4 :                                 ce = zend_get_class_entry(struc TSRMLS_CC);
     594               4 :                                 if (ce) {
     595                 :                                         char *prot_name, *priv_name;
     596                 :                                         int prop_name_length;
     597                 : 
     598                 :                                         do {
     599               4 :                                                 zend_mangle_property_name(&priv_name, &prop_name_length, ce->name, ce->name_length, Z_STRVAL_PP(name), Z_STRLEN_PP(name), ce->type & ZEND_INTERNAL_CLASS);
     600               4 :                                                 if (zend_hash_find(Z_OBJPROP_P(struc), priv_name, prop_name_length + 1, (void *) &d) == SUCCESS) {
     601               1 :                                                         php_var_serialize_string(buf, priv_name, prop_name_length);
     602               1 :                                                         pefree(priv_name, ce->type & ZEND_INTERNAL_CLASS);
     603               1 :                                                         php_var_serialize_intern(buf, *d, var_hash TSRMLS_CC);
     604               1 :                                                         break;
     605                 :                                                 }
     606               3 :                                                 pefree(priv_name, ce->type & ZEND_INTERNAL_CLASS);
     607               3 :                                                 zend_mangle_property_name(&prot_name, &prop_name_length, "*", 1, Z_STRVAL_PP(name), Z_STRLEN_PP(name), ce->type & ZEND_INTERNAL_CLASS);
     608               3 :                                                 if (zend_hash_find(Z_OBJPROP_P(struc), prot_name, prop_name_length + 1, (void *) &d) == SUCCESS) {
     609               1 :                                                         php_var_serialize_string(buf, prot_name, prop_name_length);
     610               1 :                                                         pefree(prot_name, ce->type & ZEND_INTERNAL_CLASS);
     611               1 :                                                         php_var_serialize_intern(buf, *d, var_hash TSRMLS_CC);
     612               1 :                                                         break;
     613                 :                                                 }
     614               2 :                                                 pefree(prot_name, ce->type & ZEND_INTERNAL_CLASS);
     615               2 :                                                 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "\"%s\" returned as member variable from __sleep() but does not exist", Z_STRVAL_PP(name));
     616               2 :                                                 php_var_serialize_string(buf, Z_STRVAL_PP(name), Z_STRLEN_PP(name));
     617               2 :                                                 php_var_serialize_intern(buf, nvalp, var_hash TSRMLS_CC);
     618                 :                                         } while (0);
     619                 :                                 } else {
     620               0 :                                         php_var_serialize_string(buf, Z_STRVAL_PP(name), Z_STRLEN_PP(name));
     621               0 :                                         php_var_serialize_intern(buf, nvalp, var_hash TSRMLS_CC);
     622                 :                                 }
     623                 :                         }
     624               8 :                 }
     625                 :         }
     626               4 :         smart_str_appendc(buf, '}');
     627               4 : }
     628                 : /* }}} */
     629                 : 
     630                 : static void php_var_serialize_intern(smart_str *buf, zval *struc, HashTable *var_hash TSRMLS_DC) /* {{{ */
     631           29067 : {
     632                 :         int i;
     633                 :         ulong *var_already;
     634                 :         HashTable *myht;
     635                 : 
     636           29067 :         if (var_hash && php_add_var_hash(var_hash, struc, (void *) &var_already TSRMLS_CC) == FAILURE) {
     637           27689 :                 if (Z_ISREF_P(struc)) {
     638              69 :                         smart_str_appendl(buf, "R:", 2);
     639              69 :                         smart_str_append_long(buf, *var_already);
     640              69 :                         smart_str_appendc(buf, ';');
     641              69 :                         return;
     642           27620 :                 } else if (Z_TYPE_P(struc) == IS_OBJECT) {
     643              25 :                         smart_str_appendl(buf, "r:", 2);
     644              25 :                         smart_str_append_long(buf, *var_already);
     645              25 :                         smart_str_appendc(buf, ';');
     646              25 :                         return;
     647                 :                 }
     648                 :         }
     649                 : 
     650           28973 :         switch (Z_TYPE_P(struc)) {
     651                 :                 case IS_BOOL:
     652              50 :                         smart_str_appendl(buf, "b:", 2);
     653              50 :                         smart_str_append_long(buf, Z_LVAL_P(struc));
     654              50 :                         smart_str_appendc(buf, ';');
     655              50 :                         return;
     656                 : 
     657                 :                 case IS_NULL:
     658              92 :                         smart_str_appendl(buf, "N;", 2);
     659              92 :                         return;
     660                 : 
     661                 :                 case IS_LONG:
     662            5117 :                         php_var_serialize_long(buf, Z_LVAL_P(struc));
     663            5117 :                         return;
     664                 : 
     665                 :                 case IS_DOUBLE: {
     666                 :                                 char *s;
     667                 : 
     668              69 :                                 smart_str_appendl(buf, "d:", 2);
     669              69 :                                 s = (char *) safe_emalloc(PG(serialize_precision), 1, MAX_LENGTH_OF_DOUBLE + 1);
     670              69 :                                 php_gcvt(Z_DVAL_P(struc), PG(serialize_precision), '.', 'E', s);
     671              69 :                                 smart_str_appends(buf, s);
     672              69 :                                 smart_str_appendc(buf, ';');
     673              69 :                                 efree(s);
     674              69 :                                 return;
     675                 :                         }
     676                 : 
     677                 :                 case IS_STRING:
     678           14835 :                         php_var_serialize_string(buf, Z_STRVAL_P(struc), Z_STRLEN_P(struc));
     679           14835 :                         return;
     680                 : 
     681                 :                 case IS_OBJECT: {
     682             182 :                                 zval *retval_ptr = NULL;
     683                 :                                 zval fname;
     684                 :                                 int res;
     685             182 :                                 zend_class_entry *ce = NULL;
     686                 : 
     687             182 :                                 if (Z_OBJ_HT_P(struc)->get_class_entry) {
     688             182 :                                         ce = Z_OBJCE_P(struc);
     689                 :                                 }
     690                 : 
     691             182 :                                 if (ce && ce->serialize != NULL) {
     692                 :                                         /* has custom handler */
     693              31 :                                         unsigned char *serialized_data = NULL;
     694                 :                                         zend_uint serialized_length;
     695                 : 
     696              31 :                                         if (ce->serialize(struc, &serialized_data, &serialized_length, (zend_serialize_data *)var_hash TSRMLS_CC) == SUCCESS) {
     697              26 :                                                 smart_str_appendl(buf, "C:", 2);
     698              26 :                                                 smart_str_append_long(buf, Z_OBJCE_P(struc)->name_length);
     699              26 :                                                 smart_str_appendl(buf, ":\"", 2);
     700              26 :                                                 smart_str_appendl(buf, Z_OBJCE_P(struc)->name, Z_OBJCE_P(struc)->name_length);
     701              26 :                                                 smart_str_appendl(buf, "\":", 2);
     702                 : 
     703              26 :                                                 smart_str_append_long(buf, serialized_length);
     704              26 :                                                 smart_str_appendl(buf, ":{", 2);
     705              26 :                                                 smart_str_appendl(buf, serialized_data, serialized_length);
     706              26 :                                                 smart_str_appendc(buf, '}');
     707                 :                                         } else {
     708               5 :                                                 smart_str_appendl(buf, "N;", 2);
     709                 :                                         }
     710              31 :                                         if (serialized_data) {
     711              26 :                                                 efree(serialized_data);
     712                 :                                         }
     713              31 :                                         return;
     714                 :                                 }
     715                 : 
     716             151 :                                 if (ce && ce != PHP_IC_ENTRY && zend_hash_exists(&ce->function_table, "__sleep", sizeof("__sleep"))) {
     717              11 :                                         INIT_PZVAL(&fname);
     718              11 :                                         ZVAL_STRINGL(&fname, "__sleep", sizeof("__sleep") - 1, 0);
     719              11 :                                         res = call_user_function_ex(CG(function_table), &struc, &fname, &retval_ptr, 0, 0, 1, NULL TSRMLS_CC);
     720                 : 
     721              11 :                                         if (res == SUCCESS && !EG(exception)) {
     722               5 :                                                 if (retval_ptr) {
     723               5 :                                                         if (HASH_OF(retval_ptr)) {
     724               4 :                                                                 php_var_serialize_class(buf, struc, retval_ptr, var_hash TSRMLS_CC);
     725                 :                                                         } else {
     726               1 :                                                                 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "__sleep should return an array only containing the names of instance-variables to serialize");
     727                 :                                                                 /* we should still add element even if it's not OK,
     728                 :                                                                  * since we already wrote the length of the array before */
     729               1 :                                                                 smart_str_appendl(buf,"N;", 2);
     730                 :                                                         }
     731               5 :                                                         zval_ptr_dtor(&retval_ptr);
     732                 :                                                 }
     733               5 :                                                 return;
     734                 :                                         }
     735                 :                                 }
     736                 : 
     737             146 :                                 if (retval_ptr) {
     738               0 :                                         zval_ptr_dtor(&retval_ptr);
     739                 :                                 }
     740                 :                                 /* fall-through */
     741                 :                         }
     742                 :                 case IS_ARRAY: {
     743            8771 :                         zend_bool incomplete_class = 0;
     744            8771 :                         if (Z_TYPE_P(struc) == IS_ARRAY) {
     745            8625 :                                 smart_str_appendl(buf, "a:", 2);
     746            8625 :                                 myht = HASH_OF(struc);
     747                 :                         } else {
     748             146 :                                 incomplete_class = php_var_serialize_class_name(buf, struc TSRMLS_CC);
     749             146 :                                 myht = Z_OBJPROP_P(struc);
     750                 :                         }
     751                 :                         /* count after serializing name, since php_var_serialize_class_name
     752                 :                          * changes the count if the variable is incomplete class */
     753            8771 :                         i = myht ? zend_hash_num_elements(myht) : 0;
     754            8771 :                         if (i > 0 && incomplete_class) {
     755               2 :                                 --i;
     756                 :                         }
     757            8771 :                         smart_str_append_long(buf, i);
     758            8771 :                         smart_str_appendl(buf, ":{", 2);
     759            8771 :                         if (i > 0) {
     760                 :                                 char *key;
     761                 :                                 zval **data;
     762                 :                                 ulong index;
     763                 :                                 uint key_len;
     764                 :                                 HashPosition pos;
     765                 : 
     766            8709 :                                 zend_hash_internal_pointer_reset_ex(myht, &pos);
     767           28372 :                                 for (;; zend_hash_move_forward_ex(myht, &pos)) {
     768           37081 :                                         i = zend_hash_get_current_key_ex(myht, &key, &key_len, &index, 0, &pos);
     769           37081 :                                         if (i == HASH_KEY_NON_EXISTANT) {
     770            8709 :                                                 break;
     771                 :                                         }
     772           28372 :                                         if (incomplete_class && strcmp(key, MAGIC_MEMBER) == 0) {
     773               0 :                                                 continue;
     774                 :                                         }
     775                 : 
     776           28372 :                                         switch (i) {
     777                 :                                                 case HASH_KEY_IS_LONG:
     778            1529 :                                                         php_var_serialize_long(buf, index);
     779            1529 :                                                         break;
     780                 :                                                 case HASH_KEY_IS_STRING:
     781           26843 :                                                         php_var_serialize_string(buf, key, key_len - 1);
     782                 :                                                         break;
     783                 :                                         }
     784                 : 
     785                 :                                         /* we should still add element even if it's not OK,
     786                 :                                          * since we already wrote the length of the array before */
     787           28372 :                                         if (zend_hash_get_current_data_ex(myht, (void **) &data, &pos) != SUCCESS
     788                 :                                                 || !data
     789                 :                                                 || data == &struc
     790                 :                                                 || (Z_TYPE_PP(data) == IS_ARRAY && Z_ARRVAL_PP(data)->nApplyCount > 1)
     791                 :                                         ) {
     792               0 :                                                 smart_str_appendl(buf, "N;", 2);
     793                 :                                         } else {
     794           28372 :                                                 if (Z_TYPE_PP(data) == IS_ARRAY) {
     795            8453 :                                                         Z_ARRVAL_PP(data)->nApplyCount++;
     796                 :                                                 }
     797           28372 :                                                 php_var_serialize_intern(buf, *data, var_hash TSRMLS_CC);
     798           28372 :                                                 if (Z_TYPE_PP(data) == IS_ARRAY) {
     799            8453 :                                                         Z_ARRVAL_PP(data)->nApplyCount--;
     800                 :                                                 }
     801                 :                                         }
     802           28372 :                                 }
     803                 :                         }
     804            8771 :                         smart_str_appendc(buf, '}');
     805            8771 :                         return;
     806                 :                 }
     807                 :                 default:
     808               3 :                         smart_str_appendl(buf, "i:0;", 4);
     809               3 :                         return;
     810                 :         }
     811                 : }
     812                 : /* }}} */
     813                 : 
     814                 : PHPAPI void php_var_serialize(smart_str *buf, zval **struc, HashTable *var_hash TSRMLS_DC) /* {{{ */
     815             687 : {
     816             687 :         php_var_serialize_intern(buf, *struc, var_hash TSRMLS_CC);
     817             687 :         smart_str_0(buf);
     818             687 : }
     819                 : /* }}} */
     820                 : 
     821                 : /* {{{ proto string serialize(mixed variable)
     822                 :    Returns a string representation of variable (which can later be unserialized) */
     823                 : PHP_FUNCTION(serialize)
     824             260 : {
     825                 :         zval **struc;
     826                 :         php_serialize_data_t var_hash;
     827             260 :         smart_str buf = {0};
     828                 : 
     829             260 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Z", &struc) == FAILURE) {
     830               2 :                 return;
     831                 :         }
     832                 : 
     833             258 :         Z_TYPE_P(return_value) = IS_STRING;
     834             258 :         Z_STRVAL_P(return_value) = NULL;
     835             258 :         Z_STRLEN_P(return_value) = 0;
     836                 : 
     837             258 :         PHP_VAR_SERIALIZE_INIT(var_hash);
     838             258 :         php_var_serialize(&buf, struc, &var_hash TSRMLS_CC);
     839             258 :         PHP_VAR_SERIALIZE_DESTROY(var_hash);
     840                 : 
     841             258 :         if (buf.c) {
     842             258 :                 RETURN_STRINGL(buf.c, buf.len, 0);
     843                 :         } else {
     844               0 :                 RETURN_NULL();
     845                 :         }
     846                 : }
     847                 : /* }}} */
     848                 : 
     849                 : /* {{{ proto mixed unserialize(string variable_representation)
     850                 :    Takes a string representation of variable and recreates it */
     851                 : PHP_FUNCTION(unserialize)
     852             235 : {
     853             235 :         char *buf = NULL;
     854                 :         int buf_len;
     855                 :         const unsigned char *p;
     856                 :         php_unserialize_data_t var_hash;
     857                 : 
     858             235 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &buf, &buf_len) == FAILURE) {
     859               2 :                 RETURN_FALSE;
     860                 :         }
     861                 : 
     862             233 :         if (buf_len == 0) {
     863               0 :                 RETURN_FALSE;
     864                 :         }
     865                 : 
     866             233 :         p = (const unsigned char*) buf;
     867             233 :         PHP_VAR_UNSERIALIZE_INIT(var_hash);
     868             233 :         if (!php_var_unserialize(&return_value, &p, p + buf_len, &var_hash TSRMLS_CC)) {
     869              15 :                 PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
     870              15 :                 zval_dtor(return_value);
     871              15 :                 php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Error at offset %ld of %d bytes", (long)((char*)p - buf), buf_len);
     872              15 :                 RETURN_FALSE;
     873                 :         }
     874             218 :         PHP_VAR_UNSERIALIZE_DESTROY(var_hash);
     875                 : }
     876                 : /* }}} */
     877                 : 
     878                 : /* {{{ proto int memory_get_usage([real_usage])
     879                 :    Returns the allocated by PHP memory */
     880               3 : PHP_FUNCTION(memory_get_usage) {
     881               3 :         zend_bool real_usage = 0;
     882                 : 
     883               3 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &real_usage) == FAILURE) {
     884               0 :                 RETURN_FALSE;
     885                 :         }
     886                 : 
     887               3 :         RETURN_LONG(zend_memory_usage(real_usage TSRMLS_CC));
     888                 : }
     889                 : /* }}} */
     890                 : 
     891                 : /* {{{ proto int memory_get_peak_usage([real_usage])
     892                 :    Returns the peak allocated by PHP memory */
     893               1 : PHP_FUNCTION(memory_get_peak_usage) {
     894               1 :         zend_bool real_usage = 0;
     895                 : 
     896               1 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &real_usage) == FAILURE) {
     897               0 :                 RETURN_FALSE;
     898                 :         }
     899                 : 
     900               1 :         RETURN_LONG(zend_memory_peak_usage(real_usage TSRMLS_CC));
     901                 : }
     902                 : /* }}} */
     903                 : 
     904                 : /*
     905                 :  * Local variables:
     906                 :  * tab-width: 4
     907                 :  * c-basic-offset: 4
     908                 :  * End:
     909                 :  * vim600: sw=4 ts=4 fdm=marker
     910                 :  * vim<600: sw=4 ts=4
     911                 :  */

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