array_multisort对多维数组排序

php代码

function sort_array($array, $keyid, $order='asc', $type='number') {
    if(is_array($array)) {
        foreach($array as $val) {
            $order_arr[] = $val[$keyid];
        }
 
        $order = ($order == 'asc') ? SORT_ASC: SORT_DESC;
        $type  = ($type == 'number') ? SORT_NUMERIC: SORT_STRING;
 
        array_multisort($order_arr, $order, $type, $array);
    }
}