note 112802 added to function.checkdate

/* fixed regex for formats which use dash as separator: added $regexp = preg_replace('/(?<=(\]|\)))'.$separator.'(?=(\[|\())/i', "\\" . $separator, $regexp); to escape dash only between groups. Removed optional two digits year and one digit day or month to fit MySQL date format requirement */ function is_valid_date($value, $format = 'dd.mm.yyyy'){ if(strlen($value) >= 6 && strlen($format) == 10){ // find separator. Remove all other characters from $format $separator_only = str_replace(array('m','d','y'),'', $format); $separator = $separator_only[0]; // separator is first character if($separator && strlen($separator_only) == 2){ // make regex $regexp = str_replace('mm', '(0[1-9]|1[0-2])', $format); $regexp = str_replace('dd', '(0[1-9]|[1-2][0-9]|3[0-1])', $regexp); $regexp = str_replace('yyyy', '(19|20)[0-9][0-9]', $regexp); $regexp = preg_replace('/(?<=(\]|\)))'.$separator.'(?=(\[|\())/i', "\\" . $separator, $regexp); if($regexp != $value && preg_match('/'.$regexp.'\z/', $value)){ // check date $arr=explode($separator,$value); $day= intval($arr[2]); $month= intval($arr[1]); $year=intval($arr[0]); return checkdate($month, $day, $year); } } } return false; } ---- Server IP: 212.199.163.163 Probable Submitter: 84.109.50.236 ---- Manual Page -- http://php.net/manual/en/function.checkdate.php Edit -- https://master.php.net/note/edit/112802 Del: integrated -- https://master.php.net/note/delete/112802/integrated Del: useless -- https://master.php.net/note/delete/112802/useless Del: bad code -- https://master.php.net/note/delete/112802/bad+code Del: spam -- https://master.php.net/note/delete/112802/spam Del: non-english -- https://master.php.net/note/delete/112802/non-english Del: in docs -- https://master.php.net/note/delete/112802/in+docs Del: other reasons-- https://master.php.net/note/delete/112802 Reject -- https://master.php.net/note/reject/112802 Search -- https://master.php.net/manage/user-notes.php