public function testDateTime()
{
$result = SimpleValidator::dateTime("1993-09-20");
$this->assertEquals(true, $result);
$result = SimpleValidator::dateTime("2000-02-29");
$this->assertEquals(true, $result);
$result = SimpleValidator::dateTime("1900-02-29");
$this->assertEquals(false, $result);
$result = SimpleValidator::dateTime("0000-02-29");
$this->assertEquals(false, $result);
$result = SimpleValidator::dateTime("0000-4-31");
$this->assertEquals(false, $result);
}
