public function callSilent($command, array $arguments = []) {
		$instance = $this->getApplication()->find($command);
		$arguments['command'] = $command;

		return $instance->run(new ArrayInput($arguments), new NullOutput);
	}
public function callSilent($command, array $arguments = []) {
		$instance = $this->getApplication()->find($command);
		$arguments['command'] = $command;

		return $instance->run(new ArrayInput($arguments), new NullOutput);
	}
public function callSilent ( $ command , array $ arguments = [ ] ) { $ instance = $ this -> getApplication ( ) -> find ( $ command ) ; $ arguments [ 'command' ] = $ command ; return $ instance -> run ( new ArrayInput ( $ arguments ) , new NullOutput ) ; }
Call another command silently.
@param  string $command
@param  array $arguments
@return integer
Call another command silently .