將多維數組的某個值作爲新的鍵值返回

function  reindexArray($orig, $column)
{
        $result = array();
        if(empty($orig)) {
            return $result;
        }
        if(is_array($orig)){
            foreach($orig as $record){

                if(isset($record[$column])){
                    $key = $record[$column];
                }else{
                    $key = 0;
                }

                $result[$key][] = $record;

            }
        }
    return $result;
}