note 126744 added to migration70.incompatible

Another important change in foreach that is not reported, is that it also changed the way by-reference is handled. You can no longer replace the item of the iteration by reference. For example <?php $a = [ ['id' => '1001'], ['id' => '190'] ]; foreach ($a ?: [] as &$b) { $b = [ 'id' => $b['id'], 'text' => $b['id'], ]; } var_export($a); ----- PHP 5 result: array ( 0 => array ( 'id' => '1001', 'text' => '1001', ), 1 => array ( 'id' => '190', 'text' => '190', ), ) ----- PHP >=7 result: array ( 0 => array ( 'id' => '1001', ), 1 => array ( 'id' => '190', ), ) This might seem trivial, but it broke my code. This might seem bad practice, but for whatever reason we have code like this. And I can see how it makes sense in some cases ---- Server IP: 45.112.84.4 Probable Submitter: 80.90.5.135 (proxied: 2a02:587:4915:12c9:a9bc:2a30:44ec:357b) ---- Manual Page -- https://php.net/manual/en/migration70.incompatible.php Edit -- https://main.php.net/note/edit/126744 Del: integrated -- https://main.php.net/note/delete/126744/integrated Del: useless -- https://main.php.net/note/delete/126744/useless Del: bad code -- https://main.php.net/note/delete/126744/bad+code Del: spam -- https://main.php.net/note/delete/126744/spam Del: non-english -- https://main.php.net/note/delete/126744/non-english Del: in docs -- https://main.php.net/note/delete/126744/in+docs Del: other reasons-- https://main.php.net/note/delete/126744 Reject -- https://main.php.net/note/reject/126744 Search -- https://main.php.net/manage/user-notes.php