note 102659 added to function.key

while ($fruit_name = current($array)) { if ($fruit_name == 'apple') { echo key($array).'<br />'; } next($array); } when submitting a form that has optional fields (input type=text left blank) the code above will fail on the comparison of "" stored in the variable. while ($key = key($array)) { $fruit_name = current($array); if ($fruit_name == 'apple') { echo $key.'<br />'; } next($array); } ---- Server IP: 64.71.164.2 Probable Submitter: 68.236.207.3 ---- Manual Page -- http://www.php.net/manual/en/function.key.php Edit -- https://master.php.net/note/edit/102659 Del: integrated -- https://master.php.net/note/delete/102659/integrated Del: useless -- https://master.php.net/note/delete/102659/useless Del: bad code -- https://master.php.net/note/delete/102659/bad+code Del: spam -- https://master.php.net/note/delete/102659/spam Del: non-english -- https://master.php.net/note/delete/102659/non-english Del: in docs -- https://master.php.net/note/delete/102659/in+docs Del: other reasons-- https://master.php.net/note/delete/102659 Reject -- https://master.php.net/note/reject/102659 Search -- https://master.php.net/manage/user-notes.php