Artisan输出返回null

Question

I'm using Artisan::output(); it return "" this in Laravel 5.4. How can I fix this ?

My code:

Artisan::call('backup:run');

 $output = json_decode(Artisan::output());

Answer 1

Please try this:

\Artisan::call('backup:run');

$output = json_decode(\Artisan::output());

Please, \ used for global access.