$start_sec = date('U');
do{
LOG::Write_to_log('cycle start');
$current_sec = date('U');
$responses = multirequest($urls);
save_resp($responses);
}
while
($current_sec != $start_sec + 1);
LOG::Write_to_log('cycle start');

function multirequest($urls)
{

    $multi = curl_multi_init();
    $handles = [];
    $htmls = [];


for($i=0; $i<count($urls);$i++)
{
    $ch = curl_init($urls[$i]);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 2);
    //curl_setopt($ch, CURLOPT_PROXY, '1.2.3.4:80');
    curl_multi_add_handle($multi, $ch);
    array_push($handles, $ch);
}

do {
    $mrc = curl_multi_exec($multi, $active);
} while ($mrc == CURLM_CALL_MULTI_PERFORM);
while ($active && $mrc == CURLM_OK)
{
    if (curl_multi_select($multi) == -1)
    {
        usleep(1);
    }
    do
    {
        $mrc = curl_multi_exec($multi, $active);
    }while($mrc == CURLM_CALL_MULTI_PERFORM);
}

foreach($handles as $channel)
{
    $html = curl_multi_getcontent($channel);
    $htmls[] = $html;
    curl_multi_remove_handle($multi, $channel);
}
curl_multi_close($multi);
return $htmls;
}