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562d98d805Since we have the ability to use `not` as a prefix, having rules that validate negative behaviour makes them a bit inflexible, verbose, and harder to understand. This commit will refactor the `NotEmpty`, and rename it to `Falsy`. It will no longer trim strings, because Blank does a much better job at it; it only simulates the behaviour of PHP’s native `empty()` function. Because `Falsy`, `Blank`, and `Undef` have similar behaviour, I created a page to demonstrate the difference and show when the user should use one or the other. Assisted-by: Cursor (claude-4.5-opus-high)
98 lines
3.1 KiB
Markdown
98 lines
3.1 KiB
Markdown
# Attributes
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- `Attributes()`
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Validates the PHP attributes defined in the properties of the input.
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Example of object:
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```php
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use Respect\Validation\Rules as Rule;
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#[Rule\AnyOf(
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new Rule\Property('email', new Rule\Not(new Rule\Undef())),
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new Rule\Property('phone', new Rule\Not(new Rule\Undef())),
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)]
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final class Person
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{
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public function __construct(
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#[Rule\Not(new Rule\Undef())]
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public string $name,
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#[Rule\Date('Y-m-d')]
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#[Rule\DateTimeDiff('years', new Rule\LessThanOrEqual(25))]
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public string $birthdate,
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#[Rule\Email]
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public ?string $email = null,
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#[Rule\Phone]
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public ?string $phone = null,
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) {
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}
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}
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```
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Here is how you can validate the attributes of the object:
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```php
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v::attributes()->assert(new Person('John Doe', '2020-06-23', 'john.doe@gmail.com'));
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// No exception
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v::attributes()->assert(new Person('John Doe', '2020-06-23', 'john.doe@gmail.com', '+12024561111'));
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// No exception
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v::attributes()->assert(new Person('', '2020-06-23', 'john.doe@gmail.com', '+12024561111'));
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// Message: `.name` must not be empty
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v::attributes()->assert(new Person('John Doe', 'not a date', 'john.doe@gmail.com', '+12024561111'));
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// Message: `.birthdate` must be a valid date in the format "2005-12-30"
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v::attributes()->assert(new Person('John Doe', '2020-06-23', 'not an email', '+12024561111'));
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// Message: `.email` must be a valid email address or must be null
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v::attributes()->assert(new Person('John Doe', '2020-06-23', 'john.doe@gmail.com', 'not a phone number'));
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// Message: `.phone` must be a valid telephone number or must be null
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v::attributes()->assert(new Person('John Doe', '2020-06-23'));
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// Full message:
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// - `Person { +$name="John Doe" +$birthdate="2020-06-23" +$email=null +$phone=null +$address=null }` must pass at least one of the rules
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// - `.email` must be defined
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// - `.phone` must be defined
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v::attributes()->assert(new Person('', 'not a date', 'not an email', 'not a phone number'));
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// Full message:
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// - `Person { +$name="" +$birthdate="not a date" +$email="not an email" +$phone="not a phone number" +$address=null }` must pass the rules
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// - `.name` must not be empty
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// - `.birthdate` must pass all the rules
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// - `.birthdate` must be a valid date in the format "2005-12-30"
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// - For comparison with now, `.birthdate` must be a valid datetime
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// - `.email` must be a valid email address or must be null
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// - `.phone` must be a valid telephone number or must be null
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```
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## Caveats
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- If the object has no attributes, the validation will always pass.
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- When the property is nullable, this rule will wrap the rule on the property into [NullOr](NullOr.md) rule.
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- This rule has no templates because it uses the templates of the rules that are applied to the properties.
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## Categorization
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- Objects
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- Structures
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## Changelog
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| Version | Description |
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| ------: | ----------- |
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| 3.0.0 | Created |
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---
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See also:
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- [Named](Named.md)
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- [NullOr](NullOr.md)
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- [ObjectType](ObjectType.md)
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- [Property](Property.md)
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- [PropertyExists](PropertyExists.md)
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- [PropertyOptional](PropertyOptional.md)
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- [Templated](Templated.md)
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