/** * @param string $valueString * @return static */ public static function fromString($valueString) { if ($valueString === "") { return static::fromNull(); } else { return parent::fromString($valueString); } }
public function testToString() { $dateTime = DateTime::fromString('2013-04-01 01:03:02'); $this->assertEquals('2013-04-01 01:03:02', "{$dateTime}"); }