這款linux系統參數探測函數，可以計算出你當前機器的cpu是多少，內存多使用了多少，運行時間以及更新時間
LINUX 系統參數探測包括cpu,時間,內存等
function sys_linux()
{
// CPU
if (false === ($str = @file("/proc/cpuinfo"))) return false;
$str = implode("", $str);
@preg_match_all("/models+names{0,}:+s{0,}([ws)(.]+)[rn]+/", $str, $model);
//@preg_match_all("/cpus+MHzs{0,}:+s{0,}([d.]+)[rn]+/", $str, $mhz);
@preg_match_all("/caches+sizes{0,}:+s{0,}([d.]+s{0,}[A-Z]+[rn]+)/", $str, $cache);
if (false !== is_array($model[1]))
{
$res['cpu']['num'] = sizeof($model[1]);
for($i = 0; $i < $res['cpu']['num']; $i++)
{
$res['cpu']['detail'][] = "類型：".$model[1][$i]." 緩存：".$cache[1][$i];
}
if (false !== is_array($res['cpu']['detail'])) $res['cpu']['detail'] = implode("<br />", $res['cpu']['detail']);
}
// UPTIME
if (false === ($str = @file("/proc/uptime"))) return false;
$str = explode(" ", implode("", $str));
$str = trim($str[0]);
$min = $str / 60;
$hours = $min / 60;
$days = floor($hours / 24);
$hours = floor($hours - ($days * 24));
$min = floor($min - ($days * 60 * 24) - ($hours * 60));
if ($days !== 0) $res['uptime'] = $days."天";
if ($hours !== 0) $res['uptime'] .= $hours."小時";
$res['uptime'] .= $min."分鐘";
// MEMORY
if (false === ($str = @file("/proc/meminfo"))) return false;
$str = implode("", $str);
preg_match_all("/MemTotals{0,}:+s{0,}([d.]+).+?MemFrees{0,}:+s{0,}([d.]+).+?SwapTotals{0,}:+s{0,}([d.]+).+?SwapFrees{0,}:+s{0,}([d.]+)/s", $str, $buf);
$res['memTotal'] = round($buf[1][0]/1024, 2);
$res['memFree'] = round($buf[2][0]/1024, 2);
$res['memUsed'] = ($res['memTotal']-$res['memFree']);
$res['memPercent'] = (floatval($res['memTotal'])!=0)?round($res['memUsed']/$res['memTotal']*100,2):0;
$res['swapTotal'] = round($buf[3][0]/1024, 2);
$res['swapFree'] = round($buf[4][0]/1024, 2);
$res['swapUsed'] = ($res['swapTotal']-$res['swapFree']);
$res['swapPercent'] = (floatval($res['swapTotal'])!=0)?round($res['swapUsed']/$res['swapTotal']*100,2):0;
// LOAD AVG
if (false === ($str = @file("/proc/loadavg"))) return false;
$str = explode(" ", implode("", $str));
$str = array_chunk($str, 3);
$res['loadAvg'] = implode(" ", $str[0]);
return $res;
}
//調用方法
sys_linux();
/*
這款linux系統參數探測函數，可以計算出你當前機器的cpu是多少，內存多使用了多少，運行時間以及更新時間
*/
