FishEye: file osCommerce/trunk/oscommerce/includes/classes/datetime.php

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hpdl	1	1	<?php
hpdl	1	2	/*
mattice	151	3	$Id: datetime.php 410 2006-01-26 09:17:09Z hpdl $
hpdl	1	4
		5	osCommerce, Open Source E-Commerce Solutions
		6	http://www.oscommerce.com
		7
hpdl	410	8	Copyright (c) 2006 osCommerce
hpdl	1	9
		10	Released under the GNU General Public License
		11	*/
		12
		13	class osC_DateTime {
hpdl	410	14	function getNow() {
		15	return date('Y-m-d H:i:s');
		16	}
hpdl	1	17
hpdl	410	18	function getShort($date = '') {
hpdl	410	19	global $osC_Language;
hpdl	1	20
hpdl	410	21	if (empty($date)) {
hpdl	410	22	$date = osC_DateTime::getNow();
hpdl	1	23	}
hpdl	1	24
hpdl	410	25	$year = substr($date, 0, 4);
		26	$month = (int)substr($date, 5, 2);
		27	$day = (int)substr($date, 8, 2);
		28	$hour = (int)substr($date, 11, 2);
		29	$minute = (int)substr($date, 14, 2);
		30	$second = (int)substr($date, 17, 2);
		31
		32	if (@date('Y', mktime($hour, $minute, $second, $month, $day, $year)) == $year) {
		33	return strftime($osC_Language->getDateFormatShort(), mktime($hour, $minute, $second, $month, $day, $year));
hpdl	1	34	} else {
hpdl	410	35	return ereg_replace('2037', $year, strftime($osC_Language->getDateFormatShort(), mktime($hour, $minute, $second, $month, $day, 2037)));
hpdl	1	36	}
		37	}
		38
hpdl	410	39	function getLong($date = '') {
hpdl	410	40	global $osC_Language;
hpdl	1	41
hpdl	410	42	if (empty($date)) {
hpdl	410	43	$date = osC_DateTime::getNow();
hpdl	1	44	}
hpdl	1	45
hpdl	410	46	$year = substr($date, 0, 4);
		47	$month = (int)substr($date, 5, 2);
		48	$day = (int)substr($date, 8, 2);
		49	$hour = (int)substr($date, 11, 2);
		50	$minute = (int)substr($date, 14, 2);
		51	$second = (int)substr($date, 17, 2);
hpdl	1	52
hpdl	410	53	if (@date('Y', mktime($hour, $minute, $second, $month, $day, $year)) == $year) {
hpdl	410	54	return strftime($osC_Language->getDateFormatLong(), mktime($hour, $minute, $second, $month, $day, $year));
hpdl	1	55	} else {
hpdl	410	56	return ereg_replace('2037', $year, strftime($osC_Language->getDateFormatLong(), mktime($hour, $minute, $second, $month, $day, 2037)));
hpdl	1	57	}
		58	}
		59
		60	function isLeapYear($year = '') {
		61	if (empty($year)) {
		62	$year = $this->year;
		63	}
		64
		65	if ($year % 100 == 0) {
		66	if ($year % 400 == 0) {
		67	return true;
		68	}
		69	} else {
		70	if (($year % 4) == 0) {
		71	return true;
		72	}
		73	}
		74
		75	return false;
		76	}
		77
		78	function validate($date_to_check, $format_string, &$date_array) {
		79	$separator_idx = -1;
		80
		81	$separators = array('-', ' ', '/', '.');
		82	$month_abbr = array('jan','feb','mar','apr','may','jun','jul','aug','sep','oct','nov','dec');
		83	$no_of_days = array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
		84
		85	$format_string = strtolower($format_string);
		86
		87	if (strlen($date_to_check) != strlen($format_string)) {
		88	return false;
		89	}
		90
		91	$size = sizeof($separators);
		92	for ($i=0; $i<$size; $i++) {
		93	$pos_separator = strpos($date_to_check, $separators[$i]);
		94	if ($pos_separator != false) {
		95	$date_separator_idx = $i;
		96	break;
		97	}
		98	}
		99
		100	for ($i=0; $i<$size; $i++) {
		101	$pos_separator = strpos($format_string, $separators[$i]);
		102	if ($pos_separator != false) {
		103	$format_separator_idx = $i;
		104	break;
		105	}
		106	}
		107
		108	if ($date_separator_idx != $format_separator_idx) {
		109	return false;
		110	}
		111
		112	if ($date_separator_idx != -1) {
		113	$format_string_array = explode( $separators[$date_separator_idx], $format_string );
		114	if (sizeof($format_string_array) != 3) {
		115	return false;
		116	}
		117
		118	$date_to_check_array = explode( $separators[$date_separator_idx], $date_to_check );
		119	if (sizeof($date_to_check_array) != 3) {
		120	return false;
121	}
122
123	$size = sizeof($format_string_array);
124	for ($i=0; $i<$size; $i++) {
125	if ($format_string_array[$i] == 'mm' \|\| $format_string_array[$i] == 'mmm') $month = $date_to_check_array[$i];
126	if ($format_string_array[$i] == 'dd') $day = $date_to_check_array[$i];
127	if ( ($format_string_array[$i] == 'yyyy') \|\| ($format_string_array[$i] == 'aaaa') ) $year = $date_to_check_array[$i];
128	}
129	} else {
130	if (strlen($format_string) == 8 \|\| strlen($format_string) == 9) {
131	$pos_month = strpos($format_string, 'mmm');
132	if ($pos_month != false) {
133	$month = substr( $date_to_check, $pos_month, 3 );
134	$size = sizeof($month_abbr);
135	for ($i=0; $i<$size; $i++) {
136	if ($month == $month_abbr[$i]) {
137	$month = $i;
138	break;
139	}
140	}
141	} else {
142	$month = substr($date_to_check, strpos($format_string, 'mm'), 2);
143	}
144	} else {
145	return false;
146	}
147
148	$day = substr($date_to_check, strpos($format_string, 'dd'), 2);
149	$year = substr($date_to_check, strpos($format_string, 'yyyy'), 4);
150	}
151
152	if (strlen($year) != 4) {
153	return false;
154	}
155
156	if (!settype($year, 'integer') \|\| !settype($month, 'integer') \|\| !settype($day, 'integer')) {
157	return false;
158	}
159
160	if ($month > 12 \|\| $month < 1) {
161	return false;
162	}
163
164	if ($day < 1) {
165	return false;
166	}
167
168	if ($this->isLeapYear($year)) {
169	$no_of_days[1] = 29;
170	}
171
172	if ($day > $no_of_days[$month - 1]) {
173	return false;
174	}
175
176	$date_array = array($year, $month, $day);
177
178	return true;
179	}
180	}
181	?>

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