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<?php /** * This file is part of the Nette Framework (http://nette.org) * Copyright (c) 2004 David Grudl (http://davidgrudl.com) */ namespace Nette\Utils; use Nette; if (PHP_VERSION_ID < 70000) { /** @internal */ abstract class DateTimeWorkaround extends \DateTime { public static function createFromFormat($format, $time, $timezone = NULL) { return static::_createFromFormat($format, $time, $timezone); } } } else { /** @internal */ abstract class DateTimeWorkaround extends \DateTime { public static function createFromFormat($format, $time, \DateTimeZone $timezone = NULL) { return static::_createFromFormat($format, $time, $timezone); } } } /** * DateTime. * * @author David Grudl */ class DateTime extends DateTimeWorkaround { /** minute in seconds */ const MINUTE = 60; /** hour in seconds */ const HOUR = 3600; /** day in seconds */ const DAY = 86400; /** week in seconds */ const WEEK = 604800; /** average month in seconds */ const MONTH = 2629800; /** average year in seconds */ const YEAR = 31557600; /** * DateTime object factory. * @param string|int|\DateTime * @return DateTime */ public static function from($time) { if ($time instanceof \DateTime || $time instanceof \DateTimeInterface) { return new static($time->format('Y-m-d H:i:s'), $time->getTimezone()); } elseif (is_numeric($time)) { if ($time <= self::YEAR) { $time += time(); } $tmp = new static('@' . $time); return $tmp->setTimeZone(new \DateTimeZone(date_default_timezone_get())); } else { // textual or NULL return new static($time); } } /** * @return string */ public function __toString() { return $this->format('Y-m-d H:i:s'); } /** * @param string * @return self */ public function modifyClone($modify = '') { $dolly = clone $this; return $modify ? $dolly->modify($modify) : $dolly; } /** * @param int * @return self */ public function setTimestamp($timestamp) { $zone = $this->getTimezone(); $this->__construct('@' . $timestamp); return $this->setTimeZone($zone); } /** * @return int|string */ public function getTimestamp() { $ts = $this->format('U'); return is_float($tmp = $ts * 1) ? $ts : $tmp; } /** * Returns new DateTime object formatted according to the specified format. * @param string The format the $time parameter should be in * @param string String representing the time * @param string|\DateTimeZone desired timezone (default timezone is used if NULL is passed) * @return DateTime|FALSE */ public static function _createFromFormat($format, $time, $timezone = NULL) { if ($timezone === NULL) { $timezone = new \DateTimeZone(date_default_timezone_get()); } elseif (is_string($timezone)) { $timezone = new \DateTimeZone($timezone); } elseif (!$timezone instanceof \DateTimeZone) { throw new Nette\InvalidArgumentException('Invalid timezone given'); } $date = \DateTime::createFromFormat($format, $time, $timezone); return $date ? static::from($date) : FALSE; } }