Online PHP editor | refs for PIMAZ

<?php $arr = [ 1, 2, [ [ 'one' => '1', 'two' => 2 ] ] ]; function array_search_recursive_pair(array $array, array $pair, $strict = false) { $key = key($pair); if (isset($array[$key]) && (($strict && $array[$key] === current($pair)) || (!$strict && $array == $pair))) { return $array; } foreach ($array as $el) { if (is_array($el) && $result = array_search_recursive_pair($el, $pair, $strict)) { return $result; } } return false; } var_dump(array_search_recursive_pair($arr, ['one' => 1])); var_dump(array_search_recursive_pair($arr, ['one' => 1], true));