How to get real-time CPU memory usage in PHP in Windows
这次给大家带来php在windows内怎么取得cpu内存实时使用率，php在windows内取得cpu内存实时使用率的注意事项有哪些，下面就是实战案例，一起来看一下。
网上虽然搜 PHP CUP 内存 使用率 这一类关键字出来的文章一大把，但大都是在Linux环境下，windows下只有提出靠cmd语句实现的观点，但少有实际直接可行的代码，辗转试了一遍 wmic , systeminfo 各种并不熟稔的cmd命令，并没有找到可行的方案，最终通过百度知道 的一篇答案找到利用vbs获取的实现方式，稍加改善，可以在windows环境下直接使用。
类代码
class SystemInfoWindows
{
/**
* 判断指定路径下指定文件是否存在，如不存在则创建
* @param string $fileName 文件名
* @param string $content 文件内容
* @return string 返回文件路径
*/
private function getFilePath($fileName, $content)
{
$path = dirname(FILE) . "\\$fileName";
if (!file_exists($path)) {
file_put_contents($path, $content);
}
return $path;
}
/**
* 获得cpu使用率vbs文件生成函数
* @return string 返回vbs文件路径
*/
private function getCupUsageVbsPath()
{
return $this->getFilePath(
'cpu_usage.vbs',
"On Error Resume Next
Set objProc = GetObject(\"winmgmts:\\\\.\\root\cimv2:win32_processor='cpu0'\")
WScript.Echo(objProc.LoadPercentage)"
);
}
/**
* 获得总内存及可用物理内存JSON vbs文件生成函数
* @return string 返回vbs文件路径
*/
private function getMemoryUsageVbsPath()
{
return $this->getFilePath(
'memory_usage.vbs',
"On Error Resume Next
Set objWMI = GetObject(\"winmgmts:\\\\.\\root\cimv2\")
Set colOS = objWMI.InstancesOf(\"Win32_OperatingSystem\")
For Each objOS in colOS
Wscript.Echo(\"{\"\"TotalVisibleMemorySize\"\":\" & objOS.TotalVisibleMemorySize & \",\"\"FreePhysicalMemory\"\":\" & objOS.FreePhysicalMemory & \"}\")
Next"
);
}
/**
* 获得CPU使用率
* @return Number
*/
public function getCpuUsage()
{
$path = $this->getCupUsageVbsPath();
exec("cscript -nologo $path", $usage);
return $usage[0];
}
/**
* 获得内存使用率数组
* @return array
*/
public function getMemoryUsage()
{
$path = $this->getMemoryUsageVbsPath();
exec("cscript -nologo $path", $usage);
$memory = json_decode($usage[0], true);
$memory['usage'] = Round((($memory['TotalVisibleMemorySize'] - $memory['FreePhysicalMemory']) / $memory['TotalVisibleMemorySize']) * 100);
return $memory;
}
}调用方式
$info = new SystemInfoWindows();
$cpu = $info->getCpuUsage();
$memory = $info->getMemoryUsage();
echo "当前系统CPU使用率：{$cpu}%，内存使用率{$memory['usage']}%";相信看了本文案例你已经掌握了方法，更多精彩请关注php中文网其它相关文章！
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