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markstory
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| Any feature that needs to discover PHP attributes at runtime can use | ||
| `AttributeResolver`. For event subscriptions, use CakePHP's built-in | ||
| [`#[EventListener]` attribute and registration APIs](events#registering-listeners-with-attributes). | ||
| The example below illustrates how to build a custom integration instead: it | ||
| finds methods tagged with a hypothetical `#[ListensTo]` attribute and registers | ||
| them as event listeners: |
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Should this example be changed now? With EventListener I would hope developers don't do this anymore. Perhaps the example could use TracingSpan as the hypothetical example?
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| #### Multiple Events and Priorities | ||
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| The attribute is repeatable, so a method or class can subscribe to multiple |
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| The attribute is repeatable, so a method or class can subscribe to multiple | |
| The `EventListener` attribute is repeatable, so a method or class can subscribe to multiple |
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| `EventManagerInterface` also raises this exception, including the attribute's | ||
| source location. Abstract classes, interfaces, and traits are skipped. |
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Should be clarify that while abstract classes/interfaces/traits are skipped the implementations will not be skipped?
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Documents the attribute-based event listeners introduced in cakephp/cakephp#19469 for CakePHP 6.0.
The Events guide now covers method- and class-level attributes, repeatable subscriptions, callable resolution, priorities, discovery and registration, constructor dependency injection, named event managers, and registration errors and deduplication. Listener registration is organized into listener classes, attribute-based listeners, and anonymous listeners. The Attribute Resolver and 6.0 migration guides link to the new section.
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