<?php /** * IPV6下curl超时问题 */ $ch = curl_init(); curl_setopt ($ch, CURLOPT_URL, $url); curl_setopt ($ch, CURLOPT_RETURNTRANSFER, true); //设置curl默认访问为IPv4 if(defined('CURLOPT_IPRESOLVE') && defined('CURL_IPRESOLVE_V4')){ curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); } //设置curl请求连接时的最长秒数，如果设置为0，则无限 curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout); //设置curl总执行动作的最长秒数，如果设置为0，则无限 curl_setopt ($ch, CURLOPT_TIMEOUT,$timeout*3); $file_contents = curl_exec($ch); curl_close($ch);