php curl伪造ip地址和header信息代码实例，curlheadercurl虽然功能强大，但是只能伪造$_server[http_x_forwarded_for]，对于大多数ip地址检测程序来说，$_server[remote_addr]很难被伪造：
首先是client.php的代码
复制代码 代码如下:
$headers['client-ip'] = '202.103.229.40'; 
$headers['x-forwarded-for'] = '202.103.229.40';
$headerarr = array(); 
foreach( $headers as $n => $v ) { 
    $headerarr[] = $n .':' . $v;  
}
ob_start();
$ch = curl_init();
curl_setopt ($ch, curlopt_url, http://localhost/curl/server.php);
curl_setopt ($ch, curlopt_httpheader , $headerarr );  //构造ip
curl_setopt ($ch, curlopt_referer, http://www.163.com/ );   //构造来路
curl_setopt( $ch, curlopt_header, 1);
curl_exec($ch);
curl_close ($ch);
$out = ob_get_contents();
ob_clean();
echo $out;
然后是server.php
复制代码 代码如下:
function getip(){
    if(!emptyempty($_server[http_client_ip]))
        $cip = $_server[http_client_ip];
    else if(!emptyempty($_server[http_x_forwarded_for]))
        $cip = $_server[http_x_forwarded_for];
    else if(!emptyempty($_server[remote_addr]))
        $cip = $_server[remote_addr];
    else
    $cip = 无法获取！;
    return $cip;
}
echo
访问ip: .getip().
;
echo
访问来路: .$_server[http_referer];
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