Online PHP editor | refs for J8Nmg

<?php $id = '9242'; $supergroup = array('9242' => 1, '9243' => 0, '9244' => 2, '9245' => 0); $supergroupnew = []; array_walk_recursive($supergroup, function($item, $key) use(&$id) { if ($key == $id) { $supergroupnew += [ $key => $item ]; } else { $supergroupnew += [ $key => "0" ]; } }); echo "<h1>Original Array:</h1>"; print_r($supergroup); echo "<h1>New Array:</h1>"; print_r($supergroupnew);