connector.php

<?php

private function newConnectionString(array $config)
{
    switch ($config->get("driver")) {
        case "mysql": {
            return sprintf(
                "mysql:host=%s;port=%s;dbname=%s;unix_socket=%s;charset=%s",
                $config->get("host"),
                $config->get("port"),
                $config->get("schema"),
                $config->get("socket"),
                $config->get("charset")
            );
        }
        case "pgsql": {
            return sprintf(
                "pgsql:host=%s;port=%s;dbname=%s",
                $config->get("host"),
                $config->get("port"),
                $config->get("schema")
            );
        }
        case "sqlite": {
            return sprintf(
                "sqlite:%s",
                $config->get("file")
            );
        }
        case "sqlsrv": {
            return sprintf(
                "sqlsrv:Server=%s,%s;Database=%s",
                $config->get("host"),
                $config->get("port"),
                $config->get("schema")
            );
        }
    }
}