JBZoo\Utils\Dates::is PHP Метод

    public static function is($date)
    {
        $time = strtotime($date);
        return $time > 0;
    }

 public function testIsDate()
 {
     isFalse(Dates::is(''));
     isFalse(Dates::is(null));
     isFalse(Dates::is(false));
     // isFalse(Dates::is('-0100')); // WAT????
     isFalse(Dates::is('string'));
     isFalse(Dates::is('1446203259'));
     isFalse(Dates::is(1446203259));
     isTrue(Dates::is('now'));
     isTrue(Dates::is('2015-10-30'));
     isTrue(Dates::is('2015-10-30 11:07:39'));
 }