PHP - GET REAL IP ADDRESS OF USER

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function getRealIpAddr()   {       if (!emptyempty($_SERVER['HTTP_CLIENT_IP']))       {           $ip=$_SERVER['HTTP_CLIENT_IP'];       }       elseif (!emptyempty($_SERVER['HTTP_X_FORWARDED_FOR']))       //to check ip is pass from proxy       {           $ip=$_SERVER['HTTP_X_FORWARDED_FOR'];       }       else       {           $ip=$_SERVER['REMOTE_ADDR'];       }       return $ip;   }

Syntax

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<?php $ip = getRealIpAddr(); echo $ip; ?>