1: <?php
 2: 
 3: /**
 4:  * Jyxo PHP Library
 5:  *
 6:  * LICENSE
 7:  *
 8:  * This source file is subject to the new BSD license that is bundled
 9:  * with this package in the file license.txt.
10:  * It is also available through the world-wide-web at this URL:
11:  * https://github.com/jyxo/php/blob/master/license.txt
12:  */
13: 
14: /**
15:  * Validator checking if the input value is valid date and time in YYYY-MM-DD HH::MM::SS format.
16:  *
17:  * @category Jyxo
18:  * @package Jyxo_Input
19:  * @subpackage Validator
20:  * @copyright Copyright (c) 2005-2011 Jyxo, s.r.o.
21:  * @license https://github.com/jyxo/php/blob/master/license.txt
22:  * @author Jan Pěček
23:  */
24: class Jyxo_Input_Validator_IsDateTime extends Jyxo_Input_Validator_AbstractValidator
25: {
26:     /**
27:      * Validates a value.
28:      *
29:      * @param mixed $value Input value
30:      * @return boolean
31:      */
32:     public function isValid($value)
33:     {
34:         // Format check
35:         if (!preg_match('~^(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})$~', (string) $value, $matches)) {
36:             return false;
37:         }
38: 
39:         list(, $year, $month, $day, $hour, $minute, $second) = $matches;
40: 
41:         // Date validity check
42:         if (!checkdate($month, $day, $year)) {
43:             return false;
44:         }
45: 
46:         // Time validity check
47:         if ($hour < 0 || $hour > 23) {
48:             return false;
49:         }
50:         if ($minute < 0 || $minute > 59) {
51:             return false;
52:         }
53:         if ($second < 0 || $second > 59) {
54:             return false;
55:         }
56: 
57:         return true;
58:     }
59: }
60: