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Using Laravel Livewire's #[Validate] on nullable fields

I’m using Laravel Livewire’s #[Validate] on a nullable field, and I only want to validate the field as an integer.

...
#[Validate('integer', message: 'Asking price must be an integer.')]
public $business_asking_price;
...

The code above works to ensure the user enters only integers but doesn’t allow the field to remain null.

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  1. Chosen as BEST ANSWER
    0

    When saving the field with no value previously added, I didn't get the error, it was only when I deleted the value and tried to save the form is when I saw the error. When deleting the current value, "" was saved in its place and it errored out. All I did to fix it was make sure Null was added to the field with 'business_asking_price' => $this->business_asking_price ?? Null,.


  2. 0

    Try nullable:

    #[Validate('integer|nullable', message: 'Asking price must be an integer.')]
public $business_asking_price;
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