PHP.ini默认配置下,用file_get_contents读取https的链接,就会如下错误:
Warning: fopen() [function.fopen]: Unable to find the wrapper “https” – did you forget to enable it when you configured PHP?
解决方案有3:
1.windows下的PHP,只需要到php.ini中把extension=php_openssl.dll前面的;删掉,重启服务就可以了.
2.linux下的PHP,必须安装openssl模块,安装好了以后就可以访问了.
安装方法:
OpenSSL库的安装
官网:http://www.openssl.org
下载页面:http://www.openssl.org/source/
选择最新版本下载
http://www.openssl.org/source/openssl-1.0.0a.tar.gz
解压:tar –zxvf openssl-1.0.0d.tar.gz,解压目录为:openssl-1.0.0d
然后进入到 cd openssl-1.0.0d,进行配置、编译、安装
配置: ./configure或./config
编译
make
安装
make install
3.如果服务器你不能修改配置的话,那么就使用curl函数来替代file_get_contents函数,当然不是简单的替换啊,还有相应的参数配置才能正常使用curl函数.
对curl函数封装如下:
function http_request($url,$timeout=30,$header=array()){ if (!function_exists('curl_init')) { throw new Exception('server not install curl'); } $ch = curl_init(); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_HEADER, true); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); if (!emptyempty($header)) { curl_setopt($ch, CURLOPT_HTTPHEADER, $header); } $data = curl_exec($ch); list($header, $data) = explode("rnrn", $data); $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); if ($http_code == 301 || $http_code == 302) { $matches = array(); preg_match('/Location:(.*?)n/', $header, $matches); $url = trim(array_pop($matches)); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_HEADER, false); $data = curl_exec($ch); } if ($data == false) { curl_close($ch); } @curl_close($ch); return $data; }
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随意转载^^但请附上教程地址。

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