note 105890 modified in function.array-keys by danbrown

Sorry for my english... I wrote a function to get keys of arrays recursivelly... <?php function recursive_keys($input, $search_value = null){ $output = ($search_value !== null ? array_keys($input, $search_value) : array_keys($input)) ; foreach($input as $sub){ if(is_array($sub)){ $output = ($search_value !== null ? array_merge($output, recursive_keys($sub, $search_value)) : array_merge($output, recursive_keys($sub))) ; } } return $output ; } ?> I hope it will be usefull Regards --was-- Sorry for my english... I wrote a function to get keys of arrays recursivelly... function recursive_keys($input, $search_value = null){ $output = ($search_value !== null ? array_keys($input, $search_value) : array_keys($input)) ; foreach($input as $sub){ if(is_array($sub)){ $output = ($search_value !== null ? array_merge($output, recursive_keys($sub, $search_value)) : array_merge($output, recursive_keys($sub))) ; } } return $output ; } I hope it will be usefull Regards http://php.net/manual/en/function.array-keys.php