note 81391 added to function.ctype-alnum

@ ben at onshop dot co dot uk Your example is the slowest possible way to do it. The whole idea behind using ctype_alnum is that it is much faster than a regexp. If you have to use regexp, at least use PCRE, not POSIX. ---- Server IP: 81.94.227.69 Probable Submitter: 83.99.215.17 ---- Manual Page -- http://www.php.net/manual/en/function.ctype-alnum.php Edit -- https://master.php.net/note/edit/81391 Del: integrated -- https://master.php.net/note/delete/81391/integrated Del: useless -- https://master.php.net/note/delete/81391/useless Del: bad code -- https://master.php.net/note/delete/81391/bad+code Del: spam -- https://master.php.net/note/delete/81391/spam Del: non-english -- https://master.php.net/note/delete/81391/non-english Del: in docs -- https://master.php.net/note/delete/81391/in+docs Del: other reasons-- https://master.php.net/note/delete/81391 Reject -- https://master.php.net/note/reject/81391 Search -- https://master.php.net/manage/user-notes.php