PHP method to obtain the real IP address of the machine and example code

This article mainly introduces the example code of php to obtain the real IP address of the machine. It has certain reference value. Interested friends can refer to it.

The main purpose is to obtain the operating system for win2000. /xp, win7’s real IP address, and obtain the real IP address of the machine whose operating system is Linux type. The specific content is as follows

function getLocalIP() {
 $preg = "/\A((([0-9]?[0-9])|(1[0-9]{2})|(2[0-4][0-9])|(25[0-5]))\.){3}(([0-9]?[0-9])|(1[0-9]{2})|(2[0-4][0-9])|(25[0-5]))\Z/";
//获取操作系统为win2000/xp、win7的本机IP真实地址
 exec("ipconfig", $out, $stats);
 if (!empty($out)) {
  foreach ($out AS $row) {
   if (strstr($row, "IP") && strstr($row, ":") && !strstr($row, "IPv6")) {
    $tmpIp = explode(":", $row);
    if (preg_match($preg, trim($tmpIp[1]))) {
     return trim($tmpIp[1]);
    }
   }
  }
 }
//获取操作系统为linux类型的本机IP真实地址
 exec("ifconfig", $out, $stats);
 if (!empty($out)) {
  if (isset($out[1]) && strstr($out[1], 'addr:')) {
   $tmpArray = explode(":", $out[1]);
   $tmpIp = explode(" ", $tmpArray[1]);
   if (preg_match($preg, trim($tmpIp[0]))) {
    return trim($tmpIp[0]);
   }
  }
 }
 return '127.0.0.1';
}

Summary: The above is the entire content of this article, I hope it can be helpful to everyone learning helps.

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