How to get the client ip_PHP tutorial

How to get the client ip in php

How to get the client ip in php, simple and practical

Function getOnlineIP() {

　$cip = getenv ('HTTP_CLIENT_IP');

$xip = getenv ( 'HTTP_X_FORWARDED_FOR' );

$rip = getenv ( 'REMOTE_ADDR' );

　$srip = $_SERVER ['REMOTE_ADDR'];

　if ($cip && strcasecmp ( $cip, 'unknown' )) {

　$onlineip = $cip;

　} elseif ($xip && strcasecmp ( $xip, 'unknown' )) {

　$onlineip = $xip;

　} elseif ($rip && strcasecmp ( $rip, 'unknown' )) {

　$onlineip = $rip;

　} elseif ($srip && strcasecmp ( $srip, 'unknown' )) {

　$onlineip = $srip;

　}

// LieHuo.Net tutorial

preg_match ( "/[d.]{7,15}/", $onlineip, $match );

　$onlineip = $match [0] ? $match [0] : 'unknown';

return $onlineip;

　}

http://www.bkjia.com/PHPjc/848328.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/848328.htmlTechArticlephp How to get the client ip php gets the client ip, simple and practical function getOnlineIP() { $cip = getenv ( 'HTTP_CLIENT_IP' ); $xip = getenv ( 'HTTP_X_FORWARDED_FOR' ); $rip = getenv (...