[TOC] ## exec 以数组形式返回输出 ``` @exec("ps -ef | grep Up",$op); print_r($op); /* Array ( [0] => im_user 2640 1 0 17:05 ? 00:00:03 ./UpMessageServer [1] => im_user 2848 1 0 17:05 ? 00:00:01 ./UpOrgServer [2] => im_user 2945 1 0 17:05 ? 00:00:01 ./UpLoginServer ) */ ```