sort

php

private function _sort($arr = array(), $sort_filed = '', $sort_direction = self::HOT_LIST_SORT_ASC) {
        $sort = array(
            'direction' => $sort_direction, //排序顺序标志,SORT_DESC:降序,SORT_ASC:升序  
            'field' => $sort_filed, //排序字段
        );
        
        $arr_sort = array();
        foreach ($arr as $uniqid => $row) {
            foreach ($row as $k => $v) {
                $arr_sort[$k][$uniqid] = $v;
            }
        }
        
        if (isset($sort['direction'])) {
            array_multisort($arr_sort[$sort['field']], constant($sort['direction']), $arr);
        }
        
        return $arr;
    }