note 110384 added to control-structures.foreach

//testphp $arr = [[1, 'a'], [2, 'b'], [3, 'c'], [4, 'c']]; foreach ($arr as &$a) { $a[1] = $a[1]; } foreach ($arr as $a) { echo $a[0]; } //return 1233 why? ---- Server IP: 69.147.83.199 Probable Submitter: 195.88.112.246 ---- Manual Page -- http://www.php.net/manual/en/control-structures.foreach.php Edit -- https://master.php.net/note/edit/110384 Del: integrated -- https://master.php.net/note/delete/110384/integrated Del: useless -- https://master.php.net/note/delete/110384/useless Del: bad code -- https://master.php.net/note/delete/110384/bad+code Del: spam -- https://master.php.net/note/delete/110384/spam Del: non-english -- https://master.php.net/note/delete/110384/non-english Del: in docs -- https://master.php.net/note/delete/110384/in+docs Del: other reasons-- https://master.php.net/note/delete/110384 Reject -- https://master.php.net/note/reject/110384 Search -- https://master.php.net/manage/user-notes.php