Linux(ubuntu以外で試してない)でexec使いまくってCPUとかMEMとかファン回転数とかPCの状態を配列で返すphpのクラス

ProcStat.class.php

<?php

class ProcStat{

	function upt($f=null){
		exec('cat /proc/uptime', $e);
		preg_match('/(.*) (.*)/', $e[0], $e);
		if(is_null($f)){
			return sprintf('%.0f', $e[1]);
		} else {
			$d = sprintf('%.0f', $e[1]);
			$h = 0;
			$m = '00';
			if(($d=($d-$d%60)/60)>0){
				$m = sprintf("%02d",$d%60);
				$d = ($d-$m)/60;
				if($d>0){
					$h = sprintf("%02d",$d%24);
					$d = ($d-$h)/24;
				}
			}
			return "$d day, $h:$m";
		}
	}

	function avg(){
		exec('cat /proc/loadavg', $e);
		$e = explode(' ', $e[0]);
		$r['avg1']  = (float)$e[0];
		$r['avg5']  = (float)$e[1];
		$r['avg15'] = (float)$e[2];
		return $r;
	}

	function prc(){
		exec('cat /proc/loadavg', $e);
		$e = explode(" ", $e[0]);
		$r['usage'] = preg_replace('/^(.*?)\/.*?$/','$1',$e[3]);
		$r['total'] = preg_replace('/^.*?\/(.*?)$/','$1',$e[3]);
		return $r;
	}

	function usr(){
		exec("who", $e);
		return count($e);
	}

	function sen(){
		exec("sensors", $e);
		foreach($e as $v){
			if(preg_match('/^(.*):(.*)$/', $v, $v)){
				switch(true){
					case preg_match('/Core/', $v[1]) : $r[str_replace(' ', '', $v[1])] = (float)preg_replace('/^.*?\+([0-9\.]*).*?C.*$/','$1',$v[2]); break;
					case preg_match('/in/',   $v[1]) : $r[$v[1]] = (float)preg_replace('/^.*?\+(.*?) V.*$/','$1',$v[2]); break;
					case preg_match('/fan/',  $v[1]) : $r[$v[1]] = (int)preg_replace('/^.* (.*?) RPM.*?$/','$1',$v[2]); break;
					case preg_match('/temp/', $v[1]) : $r[$v[1]] = (float)preg_replace('/^.*?\+([0-9\.]*).*?C.*?$/','$1',$v[2]); break;
				}
			}
		}
		return $r;
	}

	function dfx(){
		exec('df -Pl', $e);
		foreach($e as $k=>$v){
			if($k==0) continue;
			preg_match('/^(.*?) +[0-9]+ +([0-9]+) +([0-9]+) /',$v,$v);
			if(preg_match('/dev/',$v[1])) {
				$r[str_replace('-','_',basename($v[1]))] = array("usage"=>(int)$v[2],"total"=>(int)($v[2]+$v[3]));
			}
		}
		return $r;
	}

	function mem(){
		exec("cat /proc/meminfo | egrep 'Mem|Swap' | grep -v 'SwapCached'", $e);
		foreach($e as $v){
			preg_match('/(.*?): +([0-9]+)/',$v,$v);
			$r[$v[1]] = $v[2];
		}
		return $r;
	}

	function eth(){
		exec('cat /proc/net/dev', $e);
		foreach($e as $v){
			if(preg_match('/:/',$v)){
				$v = explode(' ',trim(preg_replace('/ +/', ' ', $v)));
				$r[str_replace(":","",$v[0])]['i'] = $v[1];
				$r[str_replace(":","",$v[0])]['o'] = $v[9];
			}
		}
		return $r;
	}

	function adr(){
		$json = json_decode(file_get_contents('http://dev.geta6.net/ifconfig.php?f=json'));
		return $json->REMOTE_ADDR;
	}

}