public function getInvalidDateTimes() {
return array(
array(
'foobar',
),
array(
'2010-01-01',
),
array(
'00:00:00',
),
array(
'2010-01-01 00:00',
),
array(
'2010-13-01 00:00:00',
),
array(
'2010-04-32 00:00:00',
),
array(
'2010-02-29 00:00:00',
),
array(
'2010-01-01 24:00:00',
),
array(
'2010-01-01 00:60:00',
),
array(
'2010-01-01 00:00:60',
),
);
}