<?php // +---------------------------------------------------------------------- // | ThinkPHP [ WE CAN DO IT JUST THINK IT ] // +---------------------------------------------------------------------- // | Copyright (c) 2006-2015 http://thinkphp.cn All rights reserved. // +---------------------------------------------------------------------- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) // +---------------------------------------------------------------------- // | Author: yunwuxin <448901948@qq.com> // +---------------------------------------------------------------------- namespace think\helper; class Arr { public static function isAssoc(array $array) { $keys = array_keys($array); return array_keys($keys) !== $keys; } public static function sortRecursive($array) { foreach ($array as &$value) { if (is_array($value)) { $value = static::sortRecursive($value); } } if (static::isAssoc($array)) { ksort($array); } else { sort($array); } return $array; } }