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A function to get the real IP address.

/ Published in: PHP
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This function performs several checks to make sure it's getting the correct IP address.

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  1. function get_ip(){
  2.   if(!empty($_SERVER['HTTP_CLIENT_IP'])) { $ip = $_SERVER['HTTP_CLIENT_IP']; } // Check if the IP is from a shared internet connection
  3.   else if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){ $ip = $_SERVER['HTTP_X_FORWARDED_FOR']; } // Check if the IP is passed from a proxy
  4.   else{ $ip = $_SERVER['REMOTE_ADDR']; } // The real IP address
  5.   return $ip;
  6. }

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