1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Authors: Andi Gutmans <andi@php.net> |
14 | Zeev Suraski <zeev@php.net> |
15 | Rasmus Lerdorf <rasmus@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 #include "php.h"
20 #include "zend_operators.h"
21 #include "datetime.h"
22 #include "php_globals.h"
23
24 #include <time.h>
25 #ifdef HAVE_SYS_TIME_H
26 # include <sys/time.h>
27 #endif
28 #include <stdio.h>
29
30 static const char * const mon_short_names[] = {
31 "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
32 };
33
34 static const char * const day_short_names[] = {
35 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
36 };
37
38 /* {{{ PHPAPI char *php_std_date(time_t t)
39 Return date string in standard format for http headers */
php_std_date(time_t t)40 PHPAPI char *php_std_date(time_t t)
41 {
42 struct tm *tm1, tmbuf;
43 char *str;
44
45 tm1 = php_gmtime_r(&t, &tmbuf);
46 str = emalloc(81);
47 str[0] = '\0';
48
49 if (!tm1) {
50 return str;
51 }
52
53 snprintf(str, 80, "%s, %02d %s %04d %02d:%02d:%02d GMT",
54 day_short_names[tm1->tm_wday],
55 tm1->tm_mday,
56 mon_short_names[tm1->tm_mon],
57 tm1->tm_year + 1900,
58 tm1->tm_hour, tm1->tm_min, tm1->tm_sec);
59
60 str[79] = 0;
61 return (str);
62 }
63 /* }}} */
64
65 #ifdef HAVE_STRPTIME
66 #ifndef HAVE_DECL_STRPTIME
67 char *strptime(const char *s, const char *format, struct tm *tm);
68 #endif
69
70 /* {{{ Parse a time/date generated with strftime() */
PHP_FUNCTION(strptime)71 PHP_FUNCTION(strptime)
72 {
73 char *ts;
74 size_t ts_length;
75 char *format;
76 size_t format_length;
77 struct tm parsed_time;
78 char *unparsed_part;
79
80 ZEND_PARSE_PARAMETERS_START(2, 2)
81 Z_PARAM_STRING(ts, ts_length)
82 Z_PARAM_STRING(format, format_length)
83 ZEND_PARSE_PARAMETERS_END();
84
85 memset(&parsed_time, 0, sizeof(parsed_time));
86
87 unparsed_part = strptime(ts, format, &parsed_time);
88 if (unparsed_part == NULL) {
89 RETURN_FALSE;
90 }
91
92 array_init(return_value);
93 add_assoc_long(return_value, "tm_sec", parsed_time.tm_sec);
94 add_assoc_long(return_value, "tm_min", parsed_time.tm_min);
95 add_assoc_long(return_value, "tm_hour", parsed_time.tm_hour);
96 add_assoc_long(return_value, "tm_mday", parsed_time.tm_mday);
97 add_assoc_long(return_value, "tm_mon", parsed_time.tm_mon);
98 add_assoc_long(return_value, "tm_year", parsed_time.tm_year);
99 add_assoc_long(return_value, "tm_wday", parsed_time.tm_wday);
100 add_assoc_long(return_value, "tm_yday", parsed_time.tm_yday);
101 add_assoc_string(return_value, "unparsed", unparsed_part);
102 }
103 /* }}} */
104
105 #endif
106
