ername, $password, $charset, $buffers, $dialect, $role, $sync);
    } elseif ($role !== null) {
        $result = \ibase_pconnect($database, $username, $password, $charset, $buffers, $dialect, $role);
    } elseif ($dialect !== null) {
        $result = \ibase_pconnect($database, $username, $password, $charset, $buffers, $dialect);
    } elseif ($buffers !== null) {
        $result = \ibase_pconnect($database, $username, $password, $charset, $buffers);
    } elseif ($charset !== null) {
        $result = \ibase_pconnect($database, $username, $password, $charset);
    } elseif ($password !== null) {
        $result = \ibase_pconnect($database, $username, $password);
    } elseif ($username !== null) {
        $result = \ibase_pconnect($database, $username);
    } elseif ($database !== null) {
        $result = \ibase_pconnect($database);
    } else {
        $result = \ibase_pconnect();
    }
    if ($result === false) {
        throw IbaseException::createFromPhpError();
    }
    return $result;
}


/**
 * This function passes the arguments to the (remote) database server. There it starts a new restore process. Therefore you
 * won't get any responses.
 *
 * @param resource $service_handle A previously opened connection to the database server.
 * @param string $source_file The absolute path on the server where the backup file is located.
 * @param string $dest_db The path to create the new database on the server. You can also use database alias.
 * @param int $options Additional options to pass to the database server for restore.
 * The options parameter can be a combination
 * of the following constants:
 * IBASE_RES_DEACTIVATE_IDX,
 * IBASE_RES_NO_SHADOW,
 * IBASE_RES_NO_VALIDITY,
 * IBASE_RES_ONE_AT_A_TIME,
 * IBASE_RES_REPLACE,
 * IBASE_RES_CREATE,
 * IBASE_RES_USE_ALL_SPACE,
 * IBASE_PRP_PAGE_BUFFERS,
 * IBASE_PRP_SWEEP_INTERVAL,
 * IBASE_RES_CREATE.
 * Read the section about  for further information.
 * @param bool $verbose Since the restore process is done on the database server, you don't have any chance
 * to get its output. This argument is useless.
 * @return mixed Returns TRUE on success.
 *
 * Since the restore process is done on the (remote) server, this function just passes the arguments to it.
 * While the arguments are legal, you won't get FALSE.
 * @throws IbaseException
 *
 */
function ibase_restore($service_handle, string $source_file, string $dest_db, int $options = 0, bool $verbose = false)
{
    error_clear_last();
    $result = \ibase_restore($service_handle, $source_file, $dest_db, $options, $verbose);
    if ($result === false) {
        throw IbaseException::createFromPhpError();
    }
    return $result;
}


/**
 * Rolls back a transaction without closing it.
 *
 * @param resource $link_or_trans_identifier If called without an argument, this function rolls back the default
 * transaction of the default link. If the argument is a connection
 * identifier, the default transaction of the corresponding connection
 * will be rolled back. If the argument is a transaction identifier, the
 * corresponding transaction will be rolled back. The transaction context
 * will be retained, so statements executed from within this transaction
 * will not be invalidated.
 * @throws IbaseException
 *
 */
function ibase_rollback_ret($link_or_trans_identifier = null): void
{
    error_clear_last();
    $result = \ibase_rollback_ret($link_or_trans_identifier);
    if ($result === false) {
        throw IbaseException::createFromPhpError();
    }
}


/**
 * Rolls back a transaction.
 *
 * @param resource $link_or_trans_identifier If called without an argument, this function rolls back the default
 * transaction of the default link. If the argument is a connection
 * identifier, the default transaction of the corresponding connection
 * will be rolled back. If the argument is a transaction identifier, the
 * corresponding transaction will be rolled back.
 * @throws IbaseException
 *
 */
function ibase_rollback($link_or_trans_identifier = null): void
{
    error_clear_last();
    $result = \ibase_rollback($link_or_trans_identifier);
    if ($result === false) {
        throw IbaseException::createFromPhpError();
    }
}


/**
 *
 *
 * @param string $host The name or ip address of the database host. You can define the port by adding
 * '/' and port number. If no port is specified, port 3050 will be used.
 * @param string $dba_username The name of any valid user.
 * @param string $dba_password The user's password.
 * @return resource Returns a Interbase / Firebird link identifier on success.
 * @throws IbaseException
 *
 */
function ibase_service_attach(string $host, string $dba_username, string $dba_password)
{
    error_clear_last();
    $result = \ibase_service_attach($host, $dba_username, $dba_password);
    if ($result === false) {
        throw IbaseException::createFromPhpError();
    }
    return $result;
}


/**
 *
 *
 * @param resource $service_handle A previously created connection to the database server.
 * @throws IbaseException
 *
 */
function ibase_service_detach($service_handle): void
{
    error_clear_last();
    $result = \ibase_service_detach($service_handle);
    if ($result === false) {
        throw IbaseException::createFromPhpError();
    }
}