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[12.x] add explanation and example for prohibited_if rule #10448

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[12.x] add explanation and example for prohibited_if rule #10448

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feat(validation.md): Add explanation and example for nullable validat…
mohammadRezaei1380 May 25, 2025
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refactor(add explanation and example for prohibited_if rule): This PR…
mohammadRezaei1380 May 25, 2025
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Revert "refactor(add explanation and example for prohibited_if rule):…
mohammadRezaei1380 May 25, 2025
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refactor(validation.md): add explanation and example for prohibited_i…
mohammadRezaei1380 May 25, 2025
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18 changes: 18 additions & 0 deletions validation.md
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Expand Up @@ -940,7 +940,25 @@ After defining this value, the validation rule will produce the following error
```text
The credit card number field is required when payment type is credit card.
```
### nullable

The `nullable` rule allows a field to be `null`. If the field is `null`, no other validation rules will be applied to it.

```php
$request->validate([
'middle_name' => ['nullable', 'string', 'max:50'],
]);
```
### prohibited_if

The `prohibited_if` rule prohibits a field from being present if another specified field has a certain value. This is useful for creating dynamic forms where some fields should be excluded based on the values of others.

```php
$request->validate([
'company_name' => 'prohibited_if:is_freelancer,true',
'is_freelancer' => 'boolean',
]);
```
<a name="available-validation-rules"></a>
## Available Validation Rules

Expand Down