MysqliAsync - Convenient API for asynchronous queries in PHP 5.3+ CurlAsync - Convenient API for asynchronous HTTP connections using CURL in PHP 5+ MysqliAsync API: $db = new MysqliAsync([$host, [$username, [$passwd, [$dbname, [$port, [$socket]]]]]]) - specify default credentials $db->$name($query, [$credentials]) - execute query - $credentials are merged with defaults $mysqli_result = $db->$name() - get results of query identified by $name CurlAsync API: $http = new CurlAsync $http->$name($url) - execute request $string = $http->$name() - get result of request identified by $name Czech articles: http://php.vrana.cz/asynchronni-dotazy-v-mysqli.php http://php.vrana.cz/asynchronni-dotazy-v-curl.php