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: Shane Caraveo             <shane@caraveo.com>               | 
      16                 :    |          Colin Viebrock            <colin@easydns.com>               |
      17                 :    |          Hartmut Holzgraefe        <hholzgra@php.net>                |
      18                 :    +----------------------------------------------------------------------+
      19                 :  */
      20                 : /* $Id: */
      21                 : 
      22                 : #include "php.h"
      23                 : #include "php_calendar.h"
      24                 : #include "sdncal.h"
      25                 : #include <time.h>
      26                 : 
      27                 : /* {{{ proto int unixtojd([int timestamp])
      28                 :    Convert UNIX timestamp to Julian Day */
      29                 : PHP_FUNCTION(unixtojd)
      30               3 : {
      31               3 :         time_t ts = 0;
      32                 :         struct tm *ta, tmbuf;
      33                 : 
      34               3 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &ts) == FAILURE) {
      35               0 :                 return;
      36                 :         }       
      37                 : 
      38               3 :         if (!ts) {
      39               0 :                 ts = time(NULL);
      40               3 :         } else if (ts < 0) {
      41               0 :                 RETURN_FALSE;
      42                 :         }
      43                 : 
      44               3 :         if (!(ta = php_localtime_r(&ts, &tmbuf))) {
      45               0 :                 RETURN_FALSE;
      46                 :         }
      47                 : 
      48               3 :         RETURN_LONG(GregorianToSdn(ta->tm_year+1900, ta->tm_mon+1, ta->tm_mday));
      49                 : }
      50                 : /* }}} */
      51                 : 
      52                 : /* {{{ proto int jdtounix(int jday)
      53                 :    Convert Julian Day to UNIX timestamp */
      54                 : PHP_FUNCTION(jdtounix)
      55               3 : {
      56                 :         long uday;
      57                 : 
      58               3 :         if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &uday) == FAILURE) {
      59               0 :                 return;
      60                 :         }       
      61               3 :         uday -= 2440588 /* J.D. of 1.1.1970 */;
      62                 : 
      63               3 :         if (uday < 0 || uday > 24755) { /* before beginning of unix epoch or behind end of unix epoch */ 
      64               0 :                 RETURN_FALSE;
      65                 :         }
      66                 : 
      67               3 :         RETURN_LONG(uday * 24 * 3600);
      68                 : }
      69                 : /* }}} */
      70                 : 
      71                 : /*
      72                 :  * Local variables:
      73                 :  * tab-width: 4
      74                 :  * c-basic-offset: 4
      75                 :  * End:
      76                 :  * vim600: sw=4 ts=4 fdm=marker
      77                 :  * vim<600: sw=4 ts=4
      78                 :  */