PHP调用COM获得服务器硬件信息

function sys_windows() {
	$objLocator = new COM("WbemScripting.SWbemLocator");
	$wmi = $objLocator->ConnectServer();
	$prop = $wmi->get("Win32_PnPEntity");
	//CPU
	$cpuinfo = GetWMI($wmi,"Win32_Processor", array("Name","L2CacheSize","NumberOfCores"));
	$res['CPU个数'] = $cpuinfo[0]['NumberOfCores'];
	if (null == $res['CPU个数']) {
		$res['CPU个数'] = 1;
	}
	for ($i=0;$i<$res['cpu']['num'];$i++){
		$res['CPU型号'] .= $cpuinfo[0]['Name']."<br>";
		$res['二级缓存'] .= $cpuinfo[0]['L2CacheSize']."<br>";
	}
	// SYSINFO
	$sysinfo = GetWMI($wmi,"Win32_OperatingSystem", array('LastBootUpTime','TotalVisibleMemorySize','FreePhysicalMemory','Caption','CSDVersion','SerialNumber','InstallDate'));
	$res['操作系统版本'] = $sysinfo[0]['Caption']." ".$sysinfo[0]['CSDVersion'];
	$res['SerialNumber'] = "{$sysinfo[0]['SerialNumber']} 于".date('Y年m月d日H:i:s',strtotime(substr($sysinfo[0]['InstallDate'],0,14)))."安装";
	//UPTIME
	$res['最后重启时间'] = $sysinfo[0]['LastBootUpTime'];

	$sys_ticks = 3600*8 + time() - strtotime(substr($res['最后重启时间'],0,14));
	$min = $sys_ticks / 60;
	$hours = $min / 60;
	$days = floor($hours / 24);
	$hours = floor($hours - ($days * 24));
	$min = floor($min - ($days * 60 * 24) - ($hours * 60));
	if ($days !== 0) $ress['day'] = $days."天";
	if ($hours !== 0) $ress['hours'] .= $hours."小时";
	$res['最后重启时间'] = $ress['day'].$ress['hours'].$min."分钟";

	//MEMORY
	$res['物理内存'] = $sysinfo[0]['TotalVisibleMemorySize'];
	$res['剩余内存'] = $sysinfo[0]['FreePhysicalMemory'];
	$res['已使用内存'] = $res['物理内存'] - $res['剩余内存'];
	$res['使用率'] = round($res['已使用内存'] / $res['物理内存']*100,2);

	$swapinfo = GetWMI($wmi,"Win32_PageFileUsage", array('AllocatedBaseSize','CurrentUsage'));

	// TODO swp区获取
	$res['交换分区'] = $swapinfo[0][AllocatedBaseSize];
	$res['已经使用'] = $swapinfo[0][CurrentUsage];
	$res['剩余内存'] = $res['swapTotal'] - $res['swapUsed'];
	$res['使用率'] = (floatval($res['swapTotal'])!=0)?round($res['swapUsed']/$res['swapTotal']*100,2):0;

	// LoadPercentage
	$loadinfo = GetWMI($wmi,"Win32_Processor", array("LoadPercentage"));
	$res['系统平均负载'] = $loadinfo[0]['LoadPercentage'];

	return $res;
}

function GetWMI($wmi,$strClass, $strValue = array()) {
	$arrData = array();

	$objWEBM = $wmi->Get($strClass);
	$arrProp = $objWEBM->Properties_;
	$arrWEBMCol = $objWEBM->Instances_();
	foreach($arrWEBMCol as $objItem) {
		@reset($arrProp);
		$arrInstance = array();
		foreach($arrProp as $propItem) {
			eval("\$value = \$objItem->" . $propItem->Name . ";");
			if (empty($strValue)) {
				$arrInstance[$propItem->Name] = trim($value);
			} else {
				if (in_array($propItem->Name, $strValue)) {
					$arrInstance[$propItem->Name] = trim($value);
				}
			}
		}
		$arrData[] = $arrInstance;
	}
	return $arrData;
}