How to ignore "access to an undefined property" using PHPStan and Laravel

Question

I am using Laravel 10 + PHPStan.

When I use Resource with the Laravel code, then PHPStan sends me this error:

18     Access to an undefined property App\Http\Resources\LocationResource::$id.
19     Access to an undefined property App\Http\Resources\LocationResource::$name.
20     Access to an undefined property App\Http\Resources\LocationResource::$comment.
21     Access to an undefined property App\Http\Resources\LocationResource::$library_id.
22     Access to an undefined property App\Http\Resources\LocationResource::$created_at.

I know I can solve this issue with some annotations. But I do not want to use that. I prefer use the phpstan.neon file and declare inside which error phpstan must ignore. See the documentation here.

So my phpstan.neon file looks like that:

parameters:
paths:
    - app/
ignoreErrors:
    - '#Call to an undefined method [a-zA-Z0-9\\_::]#'
    - '#Access to an undefined property App\\Http\\Resources\\[a-zA-Z0-9]::#'

It is the second 'ignoreErrors' line which is not correct.

Which regex I must enter in this conf file to ignore these kinds of errors?

Because it is an API Resource, I would add @mixin to the class definition, usage is @mixin CLASS, doing so will help with $this->property, the IDE will understand it — matiaslauriti
– matiaslauriti, Commented Apr 9, 2023 at 18:35

Cristian F. · Accepted Answer · 2023-10-09 18:38:40Z

6

Ignoring the errors is not a solution.

Add @mixin to the Resource class with the related model:

/**
 * @mixin \App\Models\Location
 */
class LocationResource extends JsonResource
{
//...

answered Oct 9, 2023 at 18:38

Cristian F.

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Dom · Accepted Answer · 2023-04-10 11:13:31Z

4

I found this solution , add this line in the phpstan.neon file in the "ignoreErrors" section :

# to ignore these errors :  Access to an undefined property App\Http\Resources\LocationResource::$id.
        - '#Access to an undefined property App\\Http\\Resources\\[a-zA-Z0-9::a-zA-Z]#'

answered Apr 10, 2023 at 11:13

Dom

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