Online PHP editor | refs for Zd8iQ

<?php function validateDateA($date, $format = 'Y-m-d') { $dt = DateTime::createFromFormat($format, $date); return $dt && $dt->format($format) == $date; } function validateDateB($date, $format = 'Y-m-d') { DateTime::createFromFormat($format, $date); $a = DateTime::getLastErrors(); return !$a['warning_count'] && !$a['error_count']; } var_dump(validateDateA('Tue, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # false var_dump(validateDateA('Mon, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # true var_dump(validateDateB('Tue, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # true var_dump(validateDateB('Fri, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # true var_dump(validateDateB('Xxx, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # false var_dump(validateDateB('Aaa, 27 Feb 2012 12:12:12 +0200', DateTime::RSS)); # false