datetime.c

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/*
   +----------------------------------------------------------------------+
   | Copyright (c) The PHP Group                                          |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | https://www.php.net/license/3_01.txt                                 |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@php.net>                                 |
   |          Zeev Suraski <zeev@php.net>                                 |
   |          Rasmus Lerdorf <rasmus@php.net>                             |
   +----------------------------------------------------------------------+
 */
 
#include "php.h"
#include "zend_operators.h"
#include "datetime.h"
#include "php_globals.h"
 
#include <time.h>
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <stdio.h>
 
static const char * const mon_short_names[] = {
    "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
 
static const char * const day_short_names[] = {
    "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
};
 
/* {{{ PHPAPI char *php_std_date(time_t t)
   Return date string in standard format for http headers */
PHPAPI char *php_std_date(time_t t)
{
    struct tm *tm1, tmbuf;
    char *str;
 
    tm1 = php_gmtime_r(&t, &tmbuf);
    str = emalloc(81);
    str[0] = '\0';
 
    if (!tm1) {
        return str;
    }
 
    snprintf(str, 80, "%s, %02d %s %04d %02d:%02d:%02d GMT",
            day_short_names[tm1->tm_wday],
            tm1->tm_mday,
            mon_short_names[tm1->tm_mon],
            tm1->tm_year + 1900,
            tm1->tm_hour, tm1->tm_min, tm1->tm_sec);
 
    str[79] = 0;
    return (str);
}
/* }}} */
 
#ifdef HAVE_STRPTIME
#ifndef HAVE_DECL_STRPTIME
char *strptime(const char *s, const char *format, struct tm *tm);
#endif
 
/* {{{ Parse a time/date generated with strftime() */
PHP_FUNCTION(strptime)
{
    char      *ts;
    size_t        ts_length;
    char      *format;
    size_t        format_length;
    struct tm  parsed_time;
    char      *unparsed_part;
 
    ZEND_PARSE_PARAMETERS_START(2, 2)
        Z_PARAM_STRING(ts, ts_length)
        Z_PARAM_STRING(format, format_length)
    ZEND_PARSE_PARAMETERS_END();
 
    memset(&parsed_time, 0, sizeof(parsed_time));
 
    unparsed_part = strptime(ts, format, &parsed_time);
    if (unparsed_part == NULL) {
        RETURN_FALSE;
    }
 
    array_init(return_value);
    add_assoc_long(return_value, "tm_sec",   parsed_time.tm_sec);
    add_assoc_long(return_value, "tm_min",   parsed_time.tm_min);
    add_assoc_long(return_value, "tm_hour",  parsed_time.tm_hour);
    add_assoc_long(return_value, "tm_mday",  parsed_time.tm_mday);
    add_assoc_long(return_value, "tm_mon",   parsed_time.tm_mon);
    add_assoc_long(return_value, "tm_year",  parsed_time.tm_year);
    add_assoc_long(return_value, "tm_wday",  parsed_time.tm_wday);
    add_assoc_long(return_value, "tm_yday",  parsed_time.tm_yday);
    add_assoc_string(return_value, "unparsed", unparsed_part);
}
/* }}} */
 
#endif