curl get

php curl get请求

private function doGet($url){    //初始化    $ch = curl_init();    curl_setopt($ch, CURLOPT_URL,$url);    // 执行后不直接打印出来    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);    curl_setopt($ch, CURLOPT_HEADER, false);    // 跳过证书检查    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);    // 不从证书中检查SSL加密算法是否存在    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);    curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); //强制协议为1.0    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Expect'=>'')); //头部要送出'Expect: '    curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 ); //强制使用IPV4协议解析域名    //执行并获取HTML文档内容    $output = curl_exec($ch);    //释放curl句柄    curl_close($ch);    return $output;}