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本教程操作环境：windows7系统、PHP8.1版、Dell G3电脑。
php怎么模拟不同ip访问
【资料图】
php 使用curl模拟ip和来源进行访问的实现方法
对于限制了ip和来源的网站，使用正常的访问方式是无法访问的。本文将介绍一种方法，使用php的curl类实现模拟ip和来源，访问那些限制了ip和来源的网站。
1.设置页面限制ip和来源访问
server.php
<?php $client_ip = getip();$referer = getreferer(); $allow_ip = "192.168.1.100";$allow_referer = "https://www.jb51.net"; if($client_ip==$allow_ip && strpos($referer, $allow_referer)===0){ echo "allow access";}else{ echo "deny access";} // 获取访问者ipfunction getip(){ if(!empty($_SERVER["HTTP_CLIENT_IP"])){ $cip = $_SERVER["HTTP_CLIENT_IP"]; }elseif(!empty($_SERVER["HTTP_X_FORWARDED_FOR"])){ $cip = $_SERVER["HTTP_X_FORWARDED_FOR"]; }elseif(!empty($_SERVER["REMOTE_ADDR"])){ $cip = $_SERVER["REMOTE_ADDR"]; }else{ $cip = ""; } return $cip;} // 获取访问者来源function getreferer(){ if(isset($_SERVER["HTTP_REFERER"])){ return $_SERVER["HTTP_REFERER"]; } return "";} ?>2.使用curl正常访问
<?phpfunction doCurl($url, $data=array(), $header=array(), $timeout=30){ $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HTTPHEADER, $header); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data)); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); $response = curl_exec($ch); if($error=curl_error($ch)){ die($error); } curl_close($ch); return $response; } // 调用$url = "http://www.example.com/server.php";$response = doCurl($url); echo $response;?>返回 deny access
3.使用curl模拟ip和来源进行访问
模拟来源
curl_setopt($ch, CURLOPT_REFERER, "来源");
模拟ip
curl_setopt($ch, CURLOPT_HTTPHEADER, array("CLIENT-IP: 模拟ip","X-FORWARDED-FOR: 模拟ip"));完整代码如下：
<?phpfunction doCurl($url, $data=array(), $header=array(), $referer="", $timeout=30){ $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HTTPHEADER, $header); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data)); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); // 模拟来源 curl_setopt($ch, CURLOPT_REFERER, $referer); $response = curl_exec($ch); if($error=curl_error($ch)){ die($error); } curl_close($ch); return $response; } // 调用$url = "http://www.example.com/server.php";$data = array(); // 设置IP$header = array( "CLIENT-IP: 192.168.1.100", "X-FORWARDED-FOR: 192.168.1.100"); // 设置来源$referer = "https://www.jb51.net/"; $response = doCurl($url, $data, $header, $referer, 5); echo $response;?>返回 allow access
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