hpdl
|
1
|
1
|
<?php
|
|
2
|
/*
|
|
3
|
$Id: datetime.php 5 2005-01-31 01:40:15Z hpdl $
|
|
4
|
|
|
5
|
osCommerce, Open Source E-Commerce Solutions
|
|
6
|
http://www.oscommerce.com
|
|
7
|
|
|
8
|
Copyright (c) 2004 osCommerce
|
|
9
|
|
|
10
|
Released under the GNU General Public License
|
|
11
|
*/
|
|
12
|
|
|
13
|
class osC_DateTime {
|
|
14
|
var $date = '',
|
|
15
|
$month = '',
|
|
16
|
$year = '',
|
|
17
|
$hour = '',
|
|
18
|
$minute = '',
|
|
19
|
$second = '',
|
|
20
|
$long_date_format = '',
|
|
21
|
$short_date_format = '',
|
|
22
|
$long_date = '',
|
|
23
|
$short_date = '';
|
|
24
|
|
|
25
|
function osC_DateTime($raw_date = '', $long_date_format = '', $short_date_format = '') {
|
|
26
|
if (tep_not_null($long_date_format)) {
|
|
27
|
$this->long_date_format = $long_date_format;
|
|
28
|
} else {
|
|
29
|
$this->long_date_format = DATE_FORMAT_LONG;
|
|
30
|
}
|
|
31
|
|
|
32
|
if (tep_not_null($short_date_format)) {
|
|
33
|
$this->short_date_format = $short_date_format;
|
|
34
|
} else {
|
|
35
|
$this->short_date_format = DATE_FORMAT;
|
|
36
|
}
|
|
37
|
|
|
38
|
if (tep_not_null($raw_date)) {
|
|
39
|
$this->format($raw_date);
|
|
40
|
} else {
|
|
41
|
$this->setCurrentDate();
|
|
42
|
}
|
|
43
|
}
|
|
44
|
|
|
45
|
function setCurrentDate() {
|
|
46
|
$this->date = date('d');
|
|
47
|
$this->month = date('m');
|
|
48
|
$this->year = date('Y');
|
|
49
|
|
|
50
|
$this->hour = date('H');
|
|
51
|
$this->minute = date('i');
|
|
52
|
$this->second = date('s');
|
|
53
|
}
|
|
54
|
|
|
55
|
function format($raw_date) {
|
|
56
|
if (empty($raw_date) || ($raw_date == '0000-00-00 00:00:00')) {
|
|
57
|
return false;
|
|
58
|
}
|
|
59
|
|
|
60
|
$this->year = (int)substr($raw_date, 0, 4);
|
|
61
|
$this->month = (int)substr($raw_date, 5, 2);
|
|
62
|
$this->day = (int)substr($raw_date, 8, 2);
|
|
63
|
$this->hour = (int)substr($raw_date, 11, 2);
|
|
64
|
$this->minute = (int)substr($raw_date, 14, 2);
|
|
65
|
$this->second = (int)substr($raw_date, 17, 2);
|
|
66
|
|
|
67
|
$this->long_date = strftime($this->long_date_format, mktime($this->hour, $this->minute, $this->second, $this->month, $this->day, $this->year));
|
|
68
|
|
|
69
|
if (@date('Y', mktime($this->hour, $this->minute, $this->second, $this->month, $this->day, $this->year)) == $this->year) {
|
|
70
|
$this->short_date = date($this->short_date_format, mktime($this->hour, $this->minute, $this->second, $this->month, $this->day, $this->year));
|
|
71
|
} else {
|
|
72
|
$this->short_date = ereg_replace('2037$', $this->year, date($this->short_date_format, mktime($this->hour, $this->minute, $this->second, $this->month, $this->day, 2037)));
|
|
73
|
}
|
|
74
|
}
|
|
75
|
|
|
76
|
function isLeapYear($year = '') {
|
|
77
|
if (empty($year)) {
|
|
78
|
$year = $this->year;
|
|
79
|
}
|
|
80
|
|
|
81
|
if ($year % 100 == 0) {
|
|
82
|
if ($year % 400 == 0) {
|
|
83
|
return true;
|
|
84
|
}
|
|
85
|
} else {
|
|
86
|
if (($year % 4) == 0) {
|
|
87
|
return true;
|
|
88
|
}
|
|
89
|
}
|
|
90
|
|
|
91
|
return false;
|
|
92
|
}
|
|
93
|
|
|
94
|
function validate($date_to_check, $format_string, &$date_array) {
|
|
95
|
$separator_idx = -1;
|
|
96
|
|
|
97
|
$separators = array('-', ' ', '/', '.');
|
|
98
|
$month_abbr = array('jan','feb','mar','apr','may','jun','jul','aug','sep','oct','nov','dec');
|
|
99
|
$no_of_days = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
|
|
100
|
|
|
101
|
$format_string = strtolower($format_string);
|
|
102
|
|
|
103
|
if (strlen($date_to_check) != strlen($format_string)) {
|
|
104
|
return false;
|
|
105
|
}
|
|
106
|
|
|
107
|
$size = sizeof($separators);
|
|
108
|
for ($i=0; $i<$size; $i++) {
|
|
109
|
$pos_separator = strpos($date_to_check, $separators[$i]);
|
|
110
|
if ($pos_separator != false) {
|
|
111
|
$date_separator_idx = $i;
|
|
112
|
break;
|
|
113
|
}
|
|
114
|
}
|
|
115
|
|
|
116
|
for ($i=0; $i<$size; $i++) {
|
|
117
|
$pos_separator = strpos($format_string, $separators[$i]);
|
|
118
|
if ($pos_separator != false) {
|
|
119
|
$format_separator_idx = $i;
|
|
120
|
break;
|
|
121
|
}
|
|
122
|
}
|
|
123
|
|
|
124
|
if ($date_separator_idx != $format_separator_idx) {
|
|
125
|
return false;
|
|
126
|
}
|
|
127
|
|
|
128
|
if ($date_separator_idx != -1) {
|
|
129
|
$format_string_array = explode( $separators[$date_separator_idx], $format_string );
|
|
130
|
if (sizeof($format_string_array) != 3) {
|
|
131
|
return false;
|
|
132
|
}
|
|
133
|
|
|
134
|
$date_to_check_array = explode( $separators[$date_separator_idx], $date_to_check );
|
|
135
|
if (sizeof($date_to_check_array) != 3) {
|
|
136
|
return false;
|
|
137
|
}
|
|
138
|
|
|
139
|
$size = sizeof($format_string_array);
|
|
140
|
for ($i=0; $i<$size; $i++) {
|
|
141
|
if ($format_string_array[$i] == 'mm' || $format_string_array[$i] == 'mmm') $month = $date_to_check_array[$i];
|
|
142
|
if ($format_string_array[$i] == 'dd') $day = $date_to_check_array[$i];
|
|
143
|
if ( ($format_string_array[$i] == 'yyyy') || ($format_string_array[$i] == 'aaaa') ) $year = $date_to_check_array[$i];
|
|
144
|
}
|
|
145
|
} else {
|
|
146
|
if (strlen($format_string) == 8 || strlen($format_string) == 9) {
|
|
147
|
$pos_month = strpos($format_string, 'mmm');
|
|
148
|
if ($pos_month != false) {
|
|
149
|
$month = substr( $date_to_check, $pos_month, 3 );
|
|
150
|
$size = sizeof($month_abbr);
|
|
151
|
for ($i=0; $i<$size; $i++) {
|
|
152
|
if ($month == $month_abbr[$i]) {
|
|
153
|
$month = $i;
|
|
154
|
break;
|
|
155
|
}
|
|
156
|
}
|
|
157
|
} else {
|
|
158
|
$month = substr($date_to_check, strpos($format_string, 'mm'), 2);
|
|
159
|
}
|
|
160
|
} else {
|
|
161
|
return false;
|
|
162
|
}
|
|
163
|
|
|
164
|
$day = substr($date_to_check, strpos($format_string, 'dd'), 2);
|
|
165
|
$year = substr($date_to_check, strpos($format_string, 'yyyy'), 4);
|
|
166
|
}
|
|
167
|
|
|
168
|
if (strlen($year) != 4) {
|
|
169
|
return false;
|
|
170
|
}
|
|
171
|
|
|
172
|
if (!settype($year, 'integer') || !settype($month, 'integer') || !settype($day, 'integer')) {
|
|
173
|
return false;
|
|
174
|
}
|
|
175
|
|
|
176
|
if ($month > 12 || $month < 1) {
|
|
177
|
return false;
|
|
178
|
}
|
|
179
|
|
|
180
|
if ($day < 1) {
|
|
181
|
return false;
|
|
182
|
}
|
|
183
|
|
|
184
|
if ($this->isLeapYear($year)) {
|
|
185
|
$no_of_days[1] = 29;
|
|
186
|
}
|
|
187
|
|
|
188
|
if ($day > $no_of_days[$month - 1]) {
|
|
189
|
return false;
|
|
190
|
}
|
|
191
|
|
|
192
|
$date_array = array($year, $month, $day);
|
|
193
|
|
|
194
|
return true;
|
|
195
|
}
|
|
196
|
}
|
|
197
|
?>
|
