Online PHP editor | refs for mRp5m

<?php $arr = array( 'a' => array( 'a' => 'apple', 'b' => 'banana', 'c' => 'cranberry', 'd' => 'mango', 'e' => 'pineapple' ), 'b' => array( 'a' => 'apple', 'b' => 'banana', 'c' => 'cranberry', 'd' => 'mango', 'e' => 'pineapple' ), 'c' => 'cranberry', 'd' => 'mango', 'e' => 'pineapple' ); function test(&$child, $entry) { $i = 1; foreach ($child AS $key => $fruit) { if (!is_numeric($key)) { $child[$i] = $fruit; unset($child[$key]); $i++; } } } $i = 1; foreach ($arr AS $key => $fruit) { $arr[$i] = $fruit; if (is_array($fruit)) { test($arr[$i], $fruit); } unset($arr[$key]); $i++; } var_dump($arr);