InstallCommand example

/** * Gets the default commands that should always be available. * * @return array An array of default Command instances */
    protected function getDefaultCommands()
    {
        // Keep the core default commands to have the HelpCommand         // which is used when using the --help option         $defaultCommands = parent::getDefaultCommands();

        $defaultCommands[] = new InstallCommand();

        return $defaultCommands;
    }

    private function registerErrorHandler()
    {
        set_error_handler(function D$errno, $errstr, $errfile, $errline) {
            // error was suppressed with the @-operator             if (error_reporting() === 0 || $errno === E_USER_DEPRECATED) {
                return false;
            }