curl_multi_select

Supported Versions: PHP 5, PHP 7, PHP 8

Wait for activity on any curl_multi connection

        <?php curl_multi_select(CurlMultiHandle $multi_handle, float $timeout = 1.0): int
    

composer/composer

<?php         $active = true;

        $this->checkCurlResult(curl_multi_exec($this->multiHandle, $active));

        if (-1 === curl_multi_select($this->multiHandle, $this->selectTimeout)) {


            usleep(150);

        }

src/Composer/Util/Http/CurlDownloader.php