php 获取用户ip
//获取用户ip function getUserIpAddr(){ if(!empty($_SERVER['HTTP_CLIENT_IP'])){ //ip from share internet $ip = $_SERVER['HTTP_CLIENT_IP']; }elseif(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){ //ip pass from proxy $ip = $_SERVER['HTTP_X_FORWARDED_FOR']; }else{ $ip = $_SERVER['REMOTE_ADDR']; } return $ip; }