二维数组根据某个键排序

2020-04-21  本文已影响0人  骑蚂蚁上高速_jun
/**
 * @param array $arr
 * @param array $keys
 * @param array $order
 * @return bool|mixed
 */
function sortArrayMulti(array &$arr, array $keys, array $order)
{
    //校验参数
    if ( count($keys) == ($times = count($order)) ) {
        for ( $i = 0, $j = 0; $j < $times; $i += 2, $j++ ) {
            foreach ( $arr as $k => $v ) {
                //原数组是否存在该字段
                if ( isset($v[$keys[$j]]) ) {
                    $params[$i][] = $v[$keys[$j]];    //TODO 中文排序支持
                } else {
                    return false;
                }
            }
            if ( strtoupper($order[$j]) == 'ASC' ) {
                $params[$i + 1] = SORT_ASC;
            } else {
                $params[$i + 1] = SORT_DESC;
            }
        }
        $params[] = &$arr;
        return call_user_func_array('array_multisort', $params);
    } else {
        return false;
    }
}

$data = [
    ['name' => 1, 'score' => 2.2],
    ['name' => 2, 'score' => 3.3],
    ['name' => 4, 'score' => 2.5],
    ['name' => 1, 'score' => 1.1],
    ['name' => 0, 'score' => 4],
];
//调用方法
sort_array_multi($data, ['name', 'score'], ['asc', 'desc']);
上一篇 下一篇

猜你喜欢

热点阅读