xref: /PHP-5.3/ext/standard/datetime.c (revision a2045ff3)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 5                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1997-2013 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: Andi Gutmans <andi@zend.com>                                |
16    |          Zeev Suraski <zeev@zend.com>                                |
17    |          Rasmus Lerdorf <rasmus@php.net>                             |
18    +----------------------------------------------------------------------+
19  */
20 
21 /* $Id$ */
22 
23 #include "php.h"
24 #include "zend_operators.h"
25 #include "datetime.h"
26 #include "php_globals.h"
27 
28 #include <time.h>
29 #ifdef HAVE_SYS_TIME_H
30 # include <sys/time.h>
31 #endif
32 #include <stdio.h>
33 
34 char *mon_full_names[] = {
35 	"January", "February", "March", "April",
36 	"May", "June", "July", "August",
37 	"September", "October", "November", "December"
38 };
39 
40 char *mon_short_names[] = {
41 	"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
42 };
43 
44 char *day_full_names[] = {
45 	"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"
46 };
47 
48 char *day_short_names[] = {
49 	"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
50 };
51 
52 /* {{{ PHPAPI char *php_std_date(time_t t TSRMLS_DC)
53    Return date string in standard format for http headers */
php_std_date(time_t t TSRMLS_DC)54 PHPAPI char *php_std_date(time_t t TSRMLS_DC)
55 {
56 	struct tm *tm1, tmbuf;
57 	char *str;
58 
59 	tm1 = php_gmtime_r(&t, &tmbuf);
60 	str = emalloc(81);
61 	str[0] = '\0';
62 
63 	if (!tm1) {
64 		return str;
65 	}
66 
67 	if (PG(y2k_compliance)) {
68 		snprintf(str, 80, "%s, %02d %s %04d %02d:%02d:%02d GMT",
69 				day_short_names[tm1->tm_wday],
70 				tm1->tm_mday,
71 				mon_short_names[tm1->tm_mon],
72 				tm1->tm_year + 1900,
73 				tm1->tm_hour, tm1->tm_min, tm1->tm_sec);
74 	} else {
75 		snprintf(str, 80, "%s, %02d-%s-%02d %02d:%02d:%02d GMT",
76 				day_full_names[tm1->tm_wday],
77 				tm1->tm_mday,
78 				mon_short_names[tm1->tm_mon],
79 				((tm1->tm_year) % 100),
80 				tm1->tm_hour, tm1->tm_min, tm1->tm_sec);
81 	}
82 
83 	str[79] = 0;
84 	return (str);
85 }
86 /* }}} */
87 
88 #if HAVE_STRPTIME
89 #ifndef HAVE_STRPTIME_DECL_FAILS
90 char *strptime(const char *s, const char *format, struct tm *tm);
91 #endif
92 
93 /* {{{ proto string strptime(string timestamp, string format)
94    Parse a time/date generated with strftime() */
PHP_FUNCTION(strptime)95 PHP_FUNCTION(strptime)
96 {
97 	char      *ts;
98 	int        ts_length;
99 	char      *format;
100 	int        format_length;
101 	struct tm  parsed_time;
102 	char      *unparsed_part;
103 
104 	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &ts, &ts_length, &format, &format_length) == FAILURE) {
105 		return;
106 	}
107 
108 	memset(&parsed_time, 0, sizeof(parsed_time));
109 
110 	unparsed_part = strptime(ts, format, &parsed_time);
111 	if (unparsed_part == NULL) {
112 		RETURN_FALSE;
113 	}
114 
115 	array_init(return_value);
116 	add_assoc_long(return_value, "tm_sec",   parsed_time.tm_sec);
117 	add_assoc_long(return_value, "tm_min",   parsed_time.tm_min);
118 	add_assoc_long(return_value, "tm_hour",  parsed_time.tm_hour);
119 	add_assoc_long(return_value, "tm_mday",  parsed_time.tm_mday);
120 	add_assoc_long(return_value, "tm_mon",   parsed_time.tm_mon);
121 	add_assoc_long(return_value, "tm_year",  parsed_time.tm_year);
122 	add_assoc_long(return_value, "tm_wday",  parsed_time.tm_wday);
123 	add_assoc_long(return_value, "tm_yday",  parsed_time.tm_yday);
124 	add_assoc_string(return_value, "unparsed", unparsed_part, 1);
125 }
126 /* }}} */
127 
128 #endif
129 
130 /*
131  * Local variables:
132  * tab-width: 4
133  * c-basic-offset: 4
134  * End:
135  * vim600: sw=4 ts=4 fdm=marker
136  * vim<600: sw=4 ts=4
137  */
138