public function testIsDateString() { $this->assertTrue(Validate::isDateString(\NObjects\Date::toISO8601())); $this->assertTrue(Validate::isDateString(\NObjects\Date::datetime())); $this->assertFalse(Validate::isDateString('Some date 10/10/2012')); $this->assertFalse(Validate::isDateString(101)); $this->assertFalse(Validate::isDateString(time())); }