- var_dump: documentation ( source)
- preg_match: documentation ( source)
- checkdate: documentation ( source)
<?php
function is_valid_date($date) {
if (preg_match('/^((19|20)\\d\\d)-(0?[1-9]|1[012])-(0?[1-9]|[12][0-9]|3[01]) ([01]\d|2[0123]):([0-5]\d):([0-5]\d)$/', $date, $matches)){
return checkdate($matches[3], $matches[4], $matches[1]);
}
return false;
}
var_dump(is_valid_date("2011-02-29 15:30:00")); //true
?>