br gün buraya biri gelir buna ihtiyacı olursa diye anlatıyorum yaptım 1 den fazla url çekmek isterseniz bu şekilde yapabilirsiniz
<?php
function multi_thread_curl($url_array, $number_threads) {

$curl_array = array_chunk($url_array, $number_threads, $preserve_keys = true);
       foreach($curl_array as $threads) {
          foreach($threads as $key=>$value) {
        ${'ch' . $key} = curl_init();
        curl_setopt(${'ch' . $key}, CURLOPT_URL, $value);        curl_setopt(${'ch' . $key}, CURLOPT_SSL_VERIFYPEER, false);        curl_setopt(${'ch' . $key}, CURLOPT_RETURNTRANSFER, true);        curl_setopt(${'ch' . $key}, CURLOPT_TIMEOUT, 10);
        }

           $mh = curl_multi_init();
        curl_multi_add_handle($mh, ${'ch' . $key});
        }
        $active = null;
            do {
        $mrc = curl_multi_exec($mh, $active);
        } while ($mrc == CURLM_CALL_MULTI_PERFORM);
        while ($active && $mrc == CURLM_OK) {
            if (curl_multi_select($mh) != -1) {                do {
                    $mrc = curl_multi_exec($mh, $active);
                } while ($mrc == CURLM_CALL_MULTI_PERFORM);            }
        }
             foreach($threads as $key=>$value) {
        $results[$key] = curl_multi_getcontent(${'ch' . $key});
        curl_multi_remove_handle($mh, ${'ch' . $key});
        }
      .        curl_multi_close($mh);
    }

    return $results;


}
 ?>