# Attribute

Namespace Chevere\Attribute & Chevere\Attribute

Chevere provides attributes (opens new window) which are used to provide extra context to several symbols.

# Description

The Description attribute enables to define something. use getDescription to read this attribute.

use Chevere\Attributes\Regex;

function myFunction(
    #[Regex('/^[0-9]{2}$/')]
    #[Description('Two digits')]
    string $id
): void {
    // ..
}

class MyAction {
    public function run(
        #[Regex('/^\w+$/')]
        #[Description('Any word character')]
        string $name
    ): array
    {
        // ...
    }
}

# Regex

The Regex attribute enables to define Regex for parameters of type string.

use Chevere\Attributes\Regex;

function myFunction(
    #[Regex('/^[0-9]{2}$/')]
    string $id
): void {
    // ..
}

class MyAction {
    public function run(
        #[Regex('/^\w+$/')]
        string $name
    ): array
    {
        // ...
    }
}

# Attribute tools

💡 At namespace Chevere\Attribute you can find tooling for working with attributes.

# hasAttribute

Use function hasAttribute to determine if a reflection has an attribute.

use function Chevere\Attribute\hasAttribute;

$boolean = hasAttribute($reflection, 'AttributeName');

# getAttribute

Use function getAttribute to get an attribute.

use function Chevere\Attribute\getAttribute;

$attribute = getAttribute($reflection, 'AttributeName');

# getDescription

Use function getDescription to get a Description attribute.

use function Chevere\Attribute\getDescription;

$attribute = getDescription($reflection, 'AttributeName');

# getRegex

Use function getRegex to get a Regex attribute.

use function Chevere\Attribute\getRegex;

$attribute = getRegex($reflection, 'AttributeName');
```## Tools

💡 At namespace `Chevere\Attribute` you can find tooling for working with attributes.

### hasAttribute

Use function `hasAttribute` to determine if a reflection has an attribute.

```php
use function Chevere\Attribute\hasAttribute;

$boolean = hasAttribute($reflection, 'AttributeName');