note 86281 added to function.rand

A function to generate numbers of any length which contain no identical digits side-by-side. i.e. 112233 function randomNumber($number_of_digits=null){ for($x=0;$x<$number_of_digits;$x++){ while(substr($num,strlen($num)-1,strlen($num)) == $r) $r = rand(0,9); $new_number .= $r; } return $new_number; } echo randomNumber(9); // Output: 875438104 ---- Server IP: 69.147.83.197 Probable Submitter: 72.216.6.122 ---- Manual Page -- http://www.php.net/manual/en/function.rand.php Edit -- https://master.php.net/note/edit/86281 Del: integrated -- https://master.php.net/note/delete/86281/integrated Del: useless -- https://master.php.net/note/delete/86281/useless Del: bad code -- https://master.php.net/note/delete/86281/bad+code Del: spam -- https://master.php.net/note/delete/86281/spam Del: non-english -- https://master.php.net/note/delete/86281/non-english Del: in docs -- https://master.php.net/note/delete/86281/in+docs Del: other reasons-- https://master.php.net/note/delete/86281 Reject -- https://master.php.net/note/reject/86281 Search -- https://master.php.net/manage/user-notes.php