public function handle($command, Closure $next)
    {
        return DB::transaction(function () use ($command, $next) {
            return $next($command);
        });
    }
public function handle($command, Closure $next)
    {
        return DB::transaction(function () use ($command, $next) {
            return $next($command);
        });
    }
public function handle ( $ command , Closure $ next ) { return DB :: transaction ( function ( ) use ( $ command , $ next ) { return $ next ( $ command ) ; } ) ; }
Handle the current command in the pipeline.

@param mixed    $command
@param \Closure $next

@return bool
Handle the current command in the pipeline .