* @param DateTimeZone $timezone A DateTimeZone object representing the desired time zone.
* @return DateTime A new DateTime instance.
* @link http://php.net/manual/en/datetime.construct.php
*/
public function __construct($time = 'now', \DateTimeZone $timezone = null)
{
if ($timezone) {
parent::__construct($time, $timezone);
} else {
parent::__construct($time);
}
if ($this->isUnixTimestamp($time)) {
if (!$timezone) {
$timezone = new \DateTimeZone(date_default_timezone_get());
}
$this->setTimezone($timezone);
}
}
/**
* Checks if an UNIX timestamp is passed.
*
* @param string $time A date/time string.
* @return bool Returns true if the $time parameter is a UNIX timestamp
*/
protected function isUnixTimestamp($time)
{
if (preg_match(self::UNIX_TIMESTAMP_PATTERN, $time)) {
return true;
}
return false;
}
}
