<?php

class CurlMulti
{
        protected $multi;
        protected $curl = array();
        protected $done = array();
        public $error = array();
        public $timeout = 1.0;

        /** Initialize CURL
        */
        function __construct() {
                $this->multi = curl_multi_init();
        }

        /** Close CURL
        */
        function __destruct() {
                curl_multi_close($this->multi);
        }

        /** Execute request or get its response
        */
        function __call($name, array $args) {
                if ($args) { // execute request
                        $url = $args[0];
                        $header = array();

                        if(isset($args[1]) && is_array($args[1]))
                                $header = $args[1];

                        $curl = curl_init($url);
                        $this->curl[$name] = $curl;

                        curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
                        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
                        curl_setopt($curl, CURLOPT_HTTPHEADER, $header);

                        $return = curl_multi_add_handle($this->multi, $curl);
                        while (curl_multi_exec($this->multi, $running) == CURLM_CALL_MULTI_PERFORM) {
                        }

                        return $return;
                }

                // get response
                if (!isset($this->curl[$name])) { // wrong identifier
                        return false;
                }
                $curl = $this->curl[$name];

                while (!isset($this->done[(int) $curl])) {
                        curl_multi_select($this->multi, $this->timeout);
                        while (curl_multi_exec($this->multi, $running) == CURLM_CALL_MULTI_PERFORM) {
                        }
                        while ($info = curl_multi_info_read($this->multi)) {
                                if ($info["msg"] == CURLMSG_DONE) {
                                        $this->done[(int) $info["handle"]] = true;
                                }
                        }
                }

                $this->error[$name] = curl_getinfo($curl, CURLINFO_HTTP_CODE);

                return json_decode(curl_multi_getcontent($curl));
        }

}


// Utilisation:

$http = new CurlMulti;

$http->test1("https://community-league-of-legends.p.mashape.com/api/v1.0/euw/summoner/retrieveInProgressSpectatorGameInfo/wakazira", array('X-Mashape-Authorization: 90gwEFjQKj5EBjV4kt8mCKhCSKcg7A0s'));
$http->test2("http://prod.api.pvp.net/api/lol/euw/v1.1/summoner/by-name/ghota?api_key=ae41c074-340c-4c93-8a1a-12300ffd135c");

var_dump($http->test1());
echo "<br /><br /><br /><br /><br /><br /><br /><br />";
var_dump($http->test2());
echo "<br /><br /><br /><br /><br /><br /><br /><br />";
var_dump($http->error);