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Informations about the package decorator
PHP Callable Decorator
[!NOTE] Inspired by Python's decorator
This library implements the Decorator Pattern around any PHP callable, allowing you to:
- Execute logic before or after a callable is executed
- Skip the execution of a callable by returning earlier
- Modify the result of a callable
Installation
Usage
Example 1 - Minimalistic
Output:
Example 2 - Split decorator metadata from its implementation
You can separate the decorator attribute from its implementation whenever necessary:
The DecoratorAttribute automatically links to its corresponding decorator class if the decorator is in the same
directory, shares the same base name, and ends with the *Decorator suffix. If these conditions are not met, you must
define the decoratedBy() method to establish the link manually.
Example 3 - Decorating invokable objects
In this example, the Debug attribute is used to decorate an invokable object. The decorator logic will be applied
when the __invoke() method is called.
[!IMPORTANT] The attribute will only be collected if there are no other decorator attributes defined on the
__invokemethod.
Example 4 - Adding configuration to your decorator
Add options through your attribute __construct() method, and pass them at the end of your decorate() method:
Output:
Frameworks Integration
Decorators
Compound
To create a reusable set of decorators, extend the Compound class:
When the Greeting::__invoke() method is decorated, the Hello and Welcome decorator attributes will be applied
in the specified order. This is equivalent to directly defining #[Hello] and #[Welcome] on this method.
License
This software is published under the MIT License
All versions of decorator with dependencies
psr/container Version ^1.1|^2.0
symfony/service-contracts Version ^2.5|^3