note 57314 added to function.is-numeric

An even better version of the function in that it copes with 0's, as well as , and . for thousends seperators and decimal points function is_num($var) { for ($i=0;$i<strlen($var);$i++) { $ascii_code=intval(ord($var{$i})); if (($ascii_code >=48 && $ascii_code <=57) || $ascii_code ==46 || $ascii_code ==44) { continue; } else { return false; } } return true; } ---- Manual Page -- http://www.php.net/manual/en/function.is-numeric.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+57314 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+57314&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+57314&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+57314&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+57314&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+57314&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+57314&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+57314&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+57314&report=yes Search -- http://master.php.net/manage/user-notes.php