Check unless condition in custom if blade directive in Laravel
Laravel’s Blade::if() method already comes with the following directives in order to check various conditions in blade template files.
@custom- Checks positive if condition@elsecustom- Checks elseif condition@endcustom- endif condition
So, for instance, if you want to check conditions on the env variables in the blade file, you could do like so.
@env('local')
// The application is in the local environment...
@elseenv('testing')
// The application is in the testing environment...
@else
// The application is not in the local or testing environment...
@endenv
Now, if you want to check if something should render only when the application in the “production” mode, you could do like so.
@env('production')
@else
// The application is not in the production environment...
@endenv
As you can see, here in this case, we’re using an empty if condition which is quite an overkill.
You may also like: Create your own custom Blade directive in Laravel
The unless condition
This PR, #30492, registers an additional @unlesscustom directive (a negative if condition) to deal with such kind of a situation.
So, using this, the previous example would simplified to the following.
@unlessenv('production')
// The application is not in the production environment...
@endenv
This looks much cleaner than the previous approach. isn’t it?
You can start using this feature starting from Laravel version 6.x.
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