note 104155 added to iterator.key

Be careful, the returned value must be a scalar! Took me a while to figure out why foreach() doesn't work on my class that handles arrays with object keys... ---- Server IP: 147.32.160.17 Probable Submitter: 93.91.49.13 ---- Manual Page -- http://www.php.net/manual/en/iterator.key.php Edit -- https://master.php.net/note/edit/104155 Del: integrated -- https://master.php.net/note/delete/104155/integrated Del: useless -- https://master.php.net/note/delete/104155/useless Del: bad code -- https://master.php.net/note/delete/104155/bad+code Del: spam -- https://master.php.net/note/delete/104155/spam Del: non-english -- https://master.php.net/note/delete/104155/non-english Del: in docs -- https://master.php.net/note/delete/104155/in+docs Del: other reasons-- https://master.php.net/note/delete/104155 Reject -- https://master.php.net/note/reject/104155 Search -- https://master.php.net/manage/user-notes.php