function _deprecated_hook($hook, $release, $replacement = null, $message = null)
{

    $app = \Liten\Liten::getInstance();

    /**
     * Fires when a deprecated hook is called.
     *
     * @since 6.3.0
     * 
     * @param string $hook        The hook that was called.
     * @param string $replacement The hook that should be used as a replacement.
     * @param string $release     The release of eduTrac SIS that deprecated the argument used.
     * @param string $message     A message regarding the change.
     */
    $app->hook->do_action('deprecated_hook_run', $hook, $replacement, $release, $message);

    /**
     * Filters whether to trigger deprecated hook errors.
     *
     * @since 6.3.0
     * 
     * @param bool $trigger Whether to trigger deprecated hook errors. Requires
     *                      `APP_DEV` to be defined DEV.
     */
    if (APP_ENV == 'DEV' && $app->hook->apply_filter('deprecated_hook_trigger_error', true)) {
        $message = empty($message) ? '' : ' ' . $message;
        if (!is_null($replacement)) {
            _trigger_error(sprintf(__('%1$s is <strong>deprecated</strong> since release %2$s! Use %3$s instead.'), $hook, $release, $replacement) . $message, E_USER_DEPRECATED);
        } else {
            _trigger_error(sprintf(__('%1$s is <strong>deprecated</strong> since release %2$s with no alternative available.'), $hook, $release) . $message, E_USER_DEPRECATED);
        }
    }
}