php windows system detection program_PHP tutorial

function do_command($commandName, $args) {
 $buffer = "";
 if (false === ($command = find_command($commandName))) return false;
 if ($fp = @popen("$command $args", 'r')) {
  while (!@feof($fp)){
   $buffer .= @fgets($fp, 4096);
  }
  return trim($buffer);
 }
 return false;
}

//windows系统探测
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']['num'] = $cpuinfo[0]['NumberOfCores'];
 if (null == $res['cpu']['num']) {
  $res['cpu']['num'] = 1;
 }
 for ($i=0;$i<$res['cpu']['num'];$i++){
  $res['cpu']['model'] .= $cpuinfo[0]['Name']."<br>";
  $res['cpu']['cache'] .= $cpuinfo[0]['L2CacheSize']."<br>";
 }
 // SYSINFO
 $sysinfo = GetWMI($wmi,"Win32_OperatingSystem", array('LastBootUpTime','TotalVisibleMemorySize','FreePhysicalMemory','Caption','CSDVersion','SerialNumber','InstallDate'));
 $res['win_n'] = $sysinfo[0]['Caption']." ".$sysinfo[0]['CSDVersion']." <b>序列号</b>:{$sysinfo[0]['SerialNumber']} 于".date('Y年m月d日H:i:s',strtotime(substr($sysinfo[0]['InstallDate'],0,14)))."安装";
 //UPTIME
 $res['uptime'] = $sysinfo[0]['LastBootUpTime'];

 $sys_ticks = 3600*8 + time() - strtotime(substr($res['uptime'],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) $res['uptime'] = $days."天";
 if ($hours !== 0) $res['uptime'] .= $hours."小时";
 $res['uptime'] .= $min."分钟";

 //MEMORY
 $res['memTotal'] = $sysinfo[0]['TotalVisibleMemorySize'];
 $res['memFree'] = $sysinfo[0]['FreePhysicalMemory'];
 $res['memUsed'] = $res['memTotal'] - $res['memFree'];
 $res['memPercent'] = round($res['memUsed'] / $res['memTotal']*100,2);

 $swapinfo = GetWMI($wmi,"Win32_PageFileUsage", array('AllocatedBaseSize','CurrentUsage'));
 // TODO swp区获取
 $res['swapTotal'] = $swapinfo[0][AllocatedBaseSize];
 $res['swapUsed'] = $swapinfo[0][CurrentUsage];
 $res['swapFree'] = $res['swapTotal'] - $res['swapUsed'];
 $res['swapPercent'] = (floatval($res['swapTotal'])!=0)?round($res['swapUsed']/$res['swapTotal']*100,2):0;

 // LoadPercentage
 $loadinfo = GetWMI($wmi,"Win32_Processor", array("LoadPercentage"));
 $res['loadAvg'] = $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;
}

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