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130 lines
4.0 KiB
130 lines
4.0 KiB
# A trait to dynamically add methods to a class
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[](https://packagist.org/packages/spatie/macroable)
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[](https://travis-ci.org/spatie/macroable)
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[](https://insight.sensiolabs.com/projects/c3dbed0e-9794-4c54-b40c-ccaf5a1394de)
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[](https://scrutinizer-ci.com/g/spatie/macroable)
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[](https://packagist.org/packages/spatie/macroable)
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This package provides a trait that, when applied to a class, makes it possible to add methods to that class at runtime.
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Here's a quick example:
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```php
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$myClass = new class() {
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use Spatie\Macroable\Macroable;
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};
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$myClass::macro('concatenate', function(... $strings) {
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return implode('-', $strings);
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};
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$myClass->concatenate('one', 'two', 'three'); // returns 'one-two-three'
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```
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The idea of a macroable trait and the implementation is taken from [the `macroable` trait](https://github.com/laravel/framework/blob/master/src/Illuminate/Support/Traits/Macroable.php) of the [the Laravel framework](https://laravel.com).
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## Postcardware
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You're free to use this package (it's [MIT-licensed](LICENSE.md)), but if it makes it to your production environment we highly appreciate you sending us a postcard from your hometown, mentioning which of our package(s) you are using.
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Our address is: Spatie, Samberstraat 69D, 2060 Antwerp, Belgium.
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We publish all received postcards [on our company website](https://spatie.be/en/opensource/postcards).
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## Installation
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You can install the package via composer:
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```bash
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composer require spatie/macroable
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```
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## Usage
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You can add a new method to a class using `macro`:
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```php
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$macroableClass = new class() {
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use Spatie\Macroable\Macroable;
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};
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$macroableClass::macro('concatenate', function(... $strings) {
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return implode('-', $strings);
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};
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$myClass->concatenate('one', 'two', 'three'); // returns 'one-two-three'
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```
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Callables passed to the `macro` function will be bound to the `class`
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```php
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$macroableClass = new class() {
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protected $name = 'myName';
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use Spatie\Macroable\Macroable;
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};
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$macroableClass::macro('getName', function() {
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return $this->name;
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};
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$macroableClass->getName(); // returns 'myName'
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```
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You can also add multiple methods in one go my using a mixin class. A mixin class contains methods that return callables. Each method from the mixin will be registered on the macroable class.
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```php
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$mixin = new class() {
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public function mixinMethod()
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{
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return 'mixinMethod';
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}
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public function anotherMixinMethod()
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{
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return 'anotherMixinMethod';
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}
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};
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$macroableClass->mixin($mixin);
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$macroableClass->mixinMethod() // returns 'mixinMethod';
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$macroableClass->anotherMixinMethod() // returns 'anotherMixinMethod';
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```
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## Changelog
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Please see [CHANGELOG](CHANGELOG.md) for more information what has changed recently.
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## Testing
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``` bash
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composer test
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```
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## Contributing
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Please see [CONTRIBUTING](CONTRIBUTING.md) for details.
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## Security
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If you discover any security related issues, please email freek@spatie.be instead of using the issue tracker.
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## Credits
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- [Freek Van der Herten](https://github.com/freekmurze)
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- [All Contributors](../../contributors)
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Idea and code is taken from [the `macroable` trait](https://github.com/laravel/framework/blob/master/src/Illuminate/Support/Traits/Macroable.php) of the [the Laravel framework](https://laravel.com).
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## About Spatie
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Spatie is a webdesign agency based in Antwerp, Belgium. You'll find an overview of all our open source projects [on our website](https://spatie.be/opensource).
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## License
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The MIT License (MIT). Please see [License File](LICENSE.md) for more information.
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