note 75590 added to function.substr

Reguarding: felipe at spdata dot com dot 29-Nov-2005 10:48 -------------------------------------------------------- JavaScript charAt PHP equivalent <?php function charAt($str, $pos) { return (substr($str, $pos, 1)) ? substr($str, $pos, 1) : -1; } ?> -------------------------------------------------------- There is a bug with the above code, if the charAt(..) is 0 it will return -1, because the conditional returns false. Code below with minor fix works: <?php function charAt($str, $pos) { return (strlen(substr($str, $pos, 1))) ? substr($str, $pos, 1) : -1; } ?> ---- Server IP: 203.16.234.90 Probable Submitter: 203.153.244.198 ---- Manual Page -- http://www.php.net/manual/en/function.substr.php Edit -- https://master.php.net/note/edit/75590 Del: integrated -- https://master.php.net/note/delete/75590/integrated Del: useless -- https://master.php.net/note/delete/75590/useless Del: bad code -- https://master.php.net/note/delete/75590/bad+code Del: spam -- https://master.php.net/note/delete/75590/spam Del: non-english -- https://master.php.net/note/delete/75590/non-english Del: in docs -- https://master.php.net/note/delete/75590/in+docs Del: other reasons-- https://master.php.net/note/delete/75590 Reject -- https://master.php.net/note/reject/75590 Search -- https://master.php.net/manage/user-notes.php