function isRealDate($date) {
if (false === strtotime($date)) {
return false;
}
list($year, $month, $day) = explode('-', $date);
return checkdate($month, $day, $year);
}
$date = new DateTime($event['date']);
$now = new DateTime();
if($date < $now) {
echo 'Date is in the past';
}function validateDate($date, $format = 'Y-m-d')
{
$d = DateTime::createFromFormat($format, $date);
// The Y ( 4 digits year ) returns TRUE for any integer with any number of digits so changing the comparison from == to === fixes the issue.
return $d && $d->format($format) === $date;
}