file_get_contents(): Unable to find the wrapper "https" - did you forget to enable it 的解决

file_get_contents(): Unable to find the wrapper “https” - did you forget to enable it

转载地址

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，就必须安装openssl模块，安装好了以后就可以访问了。
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：

php] view plain copy print?
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, $timeout);  
        if (!empty($header)) {  
            curl_setopt($ch, CURLOPT_HTTPHEADER, $header);  
        }  
        $data = curl_exec($ch);  
        list($header, $data) = explode("\r\n\r\n", $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;  
}