PHP的3种请求方式 GET POST 伪异步POST

/*
     * 发起POST网络提交
     * @params string $url : 网络地址
     * @params json $data ： 发送的json格式数据
     */
    static public function https_post($url, $data) {
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        if (!empty($data)) {
            curl_setopt($curl, CURLOPT_POST, 1);
            curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
        }
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
        $output = curl_exec($curl);
        curl_close($curl);
        return $output;
    }
    /*
     * 发起GET网络提交
     * @params string $url : 网络地址
     */
    static public function https_get($url) {
        $curl = curl_init();
        curl_setopt($curl, CURLOPT_URL, $url);
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
        curl_setopt($curl, CURLOPT_HEADER, FALSE);
        curl_setopt($curl, CURLOPT_TIMEOUT, 60);
        if (curl_errno($curl)) {
            return 'Errno' . curl_error($curl);
        } else {
            $result = curl_exec($curl);
        }
        curl_close($curl);
        return $result;
    }
    /**
     * 异步post请求
     * @param type $host    域名 www.baidu.com
     * @param type $url     请求方法链接：/party.php/api/####
     * @param type $param   参数数组
     */
    static public function http_post_asynchronous_request($host = '', $url = '', $param = array()) {
        $host = isset($host) ? $host : 'www.baidu.com';
        $query = isset($param) ? http_build_query($param) : '';
        $port = 80;
        $errno = 0;
        $errstr = '';
        $timeout = 10;
        $fp = fsockopen($host, $port, $errno, $errstr, $timeout);
        $out = "POST " . $url . " HTTP/1.1\r\n";
        $out .= "host:" . $host . "\r\n";
        $out .= "content-length:" . strlen($query) . "\r\n";
        $out .= "content-type:application/x-www-form-urlencoded\r\n";
        $out .= "connection:close\r\n";
        $out .= $query;
        fputs($fp, $out);
        usleep(20000); //避免nginx服务器链接断开无法 报499 链接失效
        fclose($fp);
    }