Summary of CakePHP 4 - Table Object Callback Events & the Global Event Manager

00:00:00 - 00:35:00

CakePHP 4 introduces table object callback events, which allows you to act on events generated by objects in a specific table. This is useful for avoiding problems with the global event manager, which can be generated anywhere in your application. The video tutorial demonstrates how to use the global event manager to dispatch an event and get the result.

• 00:00:00 This video covers how to use the Table Object's callback events to perform actions or transformations based on the event that has occurred. The Callback methods are available in the code completion list in the IDE, and can be used to perform common tasks such as creating new entities or performing transformations on them.
• 00:05:00 The CakePHP 4 event system allows you to bind event listeners to specific actions, such as before and after saves, and send emails based on these events. The event system also provides default events, which can be overridden in event listeners.
• 00:10:00 The video demonstrates how to use the event manager in CakePHP 4 to dispatch an event when an article is published.
• 00:15:00 The video tutorial demonstrates how to use the global event manager to listen for and dispatch events across different models and controllers in CakePHP.
• 00:20:00 The CakePHP 4 event system allows for easy definition of event listeners, passing in the subject and data as arguments. In practice, this allows for easy access to the arguments passed into the callback method.
• 00:25:00 The video discusses the CakePHP 4 Table Object Callback Events feature, which allows for passing in any number of arguments. If an event with the same name but a different subject is triggered, then the event listener must check the event object's subject to prevent bugs.
• 00:30:00 CakePHP 4 introduces table object callback events, which allow you to act on events generated by objects in a specific table. This is useful for avoiding problems with the global event manager, which can be generated anywhere in your application.
• 00:35:00 In this video, CakePHP developer demonstrates how to use the global event manager to dispatch an event and get the result.