LINUX 系统参数探测包括cpu,时间,内存等

    function sys_linux()
    {
        // CPU
        if (false === ($str = @file("/proc/cpuinfo"))) return false;
        $str = implode("", $str);
        @preg_match_all("/models+names{0,}:+s{0,}([ws)(.]+)[ ]+/", $str, $model);
        //@preg_match_all("/cpus+MHzs{0,}:+s{0,}([d.]+)[ ]+/", $str, $mhz);
        @preg_match_all("/caches+sizes{0,}:+s{0,}([d.]+s{0,}[A-Z]+[ ]+)/", $str, $cache);
        if (false !== is_array($model[1]))
            {
            $res['cpu']['num'] = sizeof($model[1]);
            for($i = 0; $i < $res['cpu']['num']; $i++)
            {
                $res['cpu']['detail'][] = "类型：".$model[1][$i]." 缓存：".$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."小时";
        $res['uptime'] .= $min."分钟";
        
        // 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;
    }
//调用方法
sys_linux();