~~~ <?php function get_server_status() { $fp = popen('top -b -n 2 | grep -E "^(Cpu|Mem|Tasks)"', "r");//獲取某一時刻系統cpu和內存使用情況 $rs = ""; while (!feof($fp)) { $rs .= fread($fp, 1024); } pclose($fp); $sys_info = explode("\n", $rs); $tast_info = explode(",", $sys_info[3]);//進程 數組 $cpu_info = explode(",", $sys_info[4]); //CPU占有量 數組 $mem_info = explode(",", $sys_info[5]); //內存占有量 數組 //正在運行的進程數 $tast_running = trim(trim($tast_info[1], 'running')); //CPU占有量 $cpu_usage = trim(trim($cpu_info[0], 'Cpu(s): '), '%us'); //百分比 //內存占有量 $mem_total = trim(trim($mem_info[0], 'Mem: '), 'k total'); $mem_used = trim($mem_info[1], 'k used'); $mem_usage = round(100 * intval($mem_used) / intval($mem_total), 2); //百分比 /*硬盤使用率 begin*/ $fp = popen('df -lh | grep -E "^(/)"', "r"); $rs = fread($fp, 1024); pclose($fp); $rs = preg_replace("/\s{2,}/", ' ', $rs); //把多個空格換成 “_” $hd = explode(" ", $rs); $hd_avail = trim($hd[3], 'G'); //磁盤可用空間大小 單位G $hd_usage = trim($hd[4], '%'); //掛載點 百分比 /*硬盤使用率 end*/ //檢測時間 $fp = popen("date +\"%Y-%m-%d %H:%M\"", "r"); $rs = fread($fp, 1024); pclose($fp); $detection_time = trim($rs); return array( 'cpu_usage' => $cpu_usage, 'mem_usage' => $mem_usage, 'hd_avail' => $hd_avail, 'hd_usage' => $hd_usage, 'tast_running' => $tast_running, 'detection_time' => $detection_time ); } ~~~