Online PHP editor | refs for WcLfK

<?php $arr = [ 1, 2, [ [ 'one' => '1', 'two' => 2 ] ] ]; function array_search_recursive_pair(array $array, $key, $value, $strict = false) { foreach (new RecursiveIteratorIterator(new ParentIterator(new RecursiveArrayIterator($array))) as $leaf_array) { if (array_key_exists($key, $leaf_array)) { if ($strict) { return $leaf_array[$key] === $value; } else { return $leaf_array === $value; } } } return false; } var_dump(array_search_recursive_pair($arr, 'one', 1)); var_dump(array_search_recursive_pair($arr, 'one', 1, true));