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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (http://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  * @package Nette
  7:  */
  8: 
  9: 
 10: 
 11: /**
 12:  * DateTime with serialization and timestamp support for PHP 5.2.
 13:  *
 14:  * @author     David Grudl
 15:  * @package Nette
 16:  */
 17: class DateTime53 extends DateTime
 18: {
 19:     /** minute in seconds */
 20:     const MINUTE = 60;
 21: 
 22:     /** hour in seconds */
 23:     const HOUR = 3600;
 24: 
 25:     /** day in seconds */
 26:     const DAY = 86400;
 27: 
 28:     /** week in seconds */
 29:     const WEEK = 604800;
 30: 
 31:     /** average month in seconds */
 32:     const MONTH = 2629800;
 33: 
 34:     /** average year in seconds */
 35:     const YEAR = 31557600;
 36: 
 37: 
 38:     /**
 39:      * DateTime object factory.
 40:      * @param  string|int|DateTime
 41:      * @return DateTime53
 42:      */
 43:     public static function from($time)
 44:     {
 45:         if ($time instanceof DateTime) {
 46:             return new self($time->format('Y-m-d H:i:s'), $time->getTimezone());
 47: 
 48:         } elseif (is_numeric($time)) {
 49:             if ($time <= self::YEAR) {
 50:                 $time += time();
 51:             }
 52:             $tmp = new self('@' . $time);
 53:             $tmp->setTimeZone(new DateTimeZone(date_default_timezone_get()));
 54:             return $tmp;
 55: 
 56:         } else { // textual or NULL
 57:             return new self($time);
 58:         }
 59:     }
 60: 
 61: 
 62:     public function __toString()
 63:     {
 64:         return $this->format('Y-m-d H:i:s');
 65:     }
 66: 
 67: 
 68:     public function modifyClone($modify = '')
 69:     {
 70:         $dolly = clone $this;
 71:         return $modify ? $dolly->modify($modify) : $dolly;
 72:     }
 73: 
 74: 
 75:     public function setTimestamp($timestamp)
 76:     {
 77:         $zone = PHP_VERSION_ID === 50206 ? new DateTimeZone($this->getTimezone()->getName()) : $this->getTimezone();
 78:         $this->__construct('@' . $timestamp);
 79:         $this->setTimeZone($zone);
 80:         return $this;
 81:     }
 82: 
 83: 
 84:     public function getTimestamp()
 85:     {
 86:         $ts = $this->format('U');
 87:         return is_float($tmp = $ts * 1) ? $ts : $tmp;
 88:     }
 89: 
 90: 
 91:     public function modify($modify)
 92:     {
 93:         parent::modify($modify);
 94:         return $this;
 95:     }
 96: 
 97: 
 98:     public static function __set_state($state)
 99:     {
100:         return new self($state['date'], new DateTimeZone($state['timezone']));
101:     }
102: 
103: 
104:     public function __sleep()
105:     {
106:         $zone = $this->getTimezone()->getName();
107:         if ($zone[0] === '+') {
108:             $this->fix = array($this->format('Y-m-d H:i:sP'));
109:         } else {
110:             $this->fix = array($this->format('Y-m-d H:i:s'), $zone);
111:         }
112:         return array('fix');
113:     }
114: 
115: 
116:     public function __wakeup()
117:     {
118:         if (isset($this->fix[1])) {
119:             $this->__construct($this->fix[0], new DateTimeZone($this->fix[1]));
120:         } else {
121:             $this->__construct($this->fix[0]);
122:         }
123:         unset($this->fix);
124:     }
125: 
126: }
127: 
Nette Framework 2.0.14 (for PHP 5.2, un-prefixed) API API documentation generated by ApiGen 2.8.0