PHP determines the method of accessing IP, PHP determines ip_PHP tutorial

php determines the method of accessing the IP, php determines the ip

The example in this article describes the method of php determining the access IP. Share it with everyone for your reference. The details are as follows:

<&#63;php 
function getIP() { 
  if (! empty ( $_SERVER ["HTTP_CLIENT_IP"] )) { 
    $cip = $_SERVER ["HTTP_CLIENT_IP"]; 
  } else if (! empty ( $_SERVER ["HTTP_X_FORWARDED_FOR"] )) { 
    $cip = $_SERVER ["HTTP_X_FORWARDED_FOR"]; 
  } else if (! empty ( $_SERVER ["REMOTE_ADDR"] )) { 
    $cip = $_SERVER ["REMOTE_ADDR"]; 
  } else { 
    $cip = ''; 
  } 
  preg_match ( "/[\d\.]{7,15}/", $cip, $cips ); 
  $cip = isset ( $cips [0] ) &#63; $cips [0] : 'unknown'; 
  unset ( $cips ); 
  return $cip; 
} 
&#63;>

I hope this article will be helpful to everyone’s PHP programming design.

http://www.bkjia.com/PHPjc/1019454.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1019454.htmlTechArticlephp method to determine access IP, php determine ip This article describes the method of php to determine access IP. Share it with everyone for your reference. The details are as follows: php function getIP() { if (! empty ( $_S...