PHP如何编写网页代理功能？
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本文共计117个文字，预计阅读时间需要1分钟。
php检查URL参数，确保存在且格式正确，否则退出程序。获取URL内容并输出。
php
<?php if ( !isset($_REQUEST["url"]) ) exit; $u = $_REQUEST["url"]; if (substr($u, -0, 7) != "") exit; echo file_get_contents( $u ); /* function getPage($url, $referer, $timeout, $header=true){ if(!isset($timeout)) $timeout=30; $curl = curl_init(); if(strstr($referer,"://")){ curl_setopt ($curl, CURLOPT_REFERER, $referer); } curl_setopt ($curl, CURLOPT_URL, $url); curl_setopt ($curl, CURLOPT_TIMEOUT, $timeout); curl_setopt ($curl, CURLOPT_USERAGENT, sprintf("Mozilla/%d.0",rand(4,5))); curl_setopt ($curl, CURLOPT_HEADER, (int)$header); curl_setopt ($curl, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($curl, CURLOPT_SSL_VERIFYPEER, 0); $html = curl_exec ($curl); curl_close ($curl); return $html; } echo getPage( $u, "www.websitename.com", "20", false ); */ ?>
本文共计117个文字，预计阅读时间需要1分钟。
php检查URL参数，确保存在且格式正确，否则退出程序。获取URL内容并输出。
php
<?php if ( !isset($_REQUEST["url"]) ) exit; $u = $_REQUEST["url"]; if (substr($u, -0, 7) != "") exit; echo file_get_contents( $u ); /* function getPage($url, $referer, $timeout, $header=true){ if(!isset($timeout)) $timeout=30; $curl = curl_init(); if(strstr($referer,"://")){ curl_setopt ($curl, CURLOPT_REFERER, $referer); } curl_setopt ($curl, CURLOPT_URL, $url); curl_setopt ($curl, CURLOPT_TIMEOUT, $timeout); curl_setopt ($curl, CURLOPT_USERAGENT, sprintf("Mozilla/%d.0",rand(4,5))); curl_setopt ($curl, CURLOPT_HEADER, (int)$header); curl_setopt ($curl, CURLOPT_RETURNTRANSFER, 1); curl_setopt ($curl, CURLOPT_SSL_VERIFYPEER, 0); $html = curl_exec ($curl); curl_close ($curl); return $html; } echo getPage( $u, "www.websitename.com", "20", false ); */ ?>