Info about new Subscriber Registration Checker

[Fedik]

User description

information about Subscriber Registration Checker, with example.
For PR

• [5.3] [RFC] CMSPlugin: Subscriber Registration Checker Interface joomla-cms#43657

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PR Type

documentation

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Description

• Added new documentation for the SubscriberRegistrationCheckerInterface in the plugins section.
• Provided an example implementation of the SubscriberRegistrationCheckerInterface.
• Updated migration notes to include information about the new SubscriberRegistrationCheckerInterface.

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Changes walkthrough 📝

Relevant files

Documentation

implementing-subscriber-registration-checker.md Add documentation for Subscriber Registration Checker Interface docs/building-extensions/plugins/implementing-subscriber-registration-checker.md Added documentation for SubscriberRegistrationCheckerInterface. Included an example of how to implement the interface in a plugin. +31/-0    new-features.md Document new SubscriberRegistrationCheckerInterface in migration notes migrations/51-52/new-features.md Documented the new SubscriberRegistrationCheckerInterface for plugins. Provided a link to the detailed documentation. +8/-0

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PR Reviewer Guide 🔍

⏱️ Estimated effort to review [1-5]	1
🧪 Relevant tests	No
🔒 Security concerns	No
⚡ Key issues to review	None

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PR Code Suggestions ✨

Category	Suggestion	Score
Possible bug	Add the missing class keyword in the PHP code example Add a missing class keyword in the plugin example to ensure the code is syntactically correct. docs/building-extensions/plugins/implementing-subscriber-registration-checker.md [15] -new MyExamplePlugin extends CMSPlugin implements SubscriberRegistrationCheckerInterface +class MyExamplePlugin extends CMSPlugin implements SubscriberRegistrationCheckerInterface Apply this suggestion Suggestion importance[1-10]: 10 Why: This is a crucial fix as the missing 'class' keyword would cause a syntax error, preventing the PHP code from running.	10
Possible issue	Correct the relative link to the Subscriber Registration Checker documentation Fix the link to the Subscriber Registration Checker documentation to ensure it points to the correct relative path. migrations/51-52/new-features.md [26] -More details here [Subscriber Registration Checker](/docs/building-extensions/plugins/implementing-subscriber-registration-checker). +More details here [Subscriber Registration Checker](../../docs/building-extensions/plugins/implementing-subscriber-registration-checker.md). Apply this suggestion Suggestion importance[1-10]: 8 Why: Correcting the link is important to ensure users can access the referenced documentation correctly, which is crucial for navigating the documentation effectively.	8
Best practice	Correct a grammatical error in the documentation Correct the grammatical error in the sentence to improve readability. The word "meet" should be changed to "met". docs/building-extensions/plugins/implementing-subscriber-registration-checker.md [5] -This allows the plugin to be registered only when special conditions are meet, eg: only for specific application. +This allows the plugin to be registered only when special conditions are met, e.g., only for specific applications. Apply this suggestion Suggestion importance[1-10]: 7 Why: The suggestion correctly identifies and fixes a grammatical error, improving the documentation's clarity and professionalism.	7
Enhancement	Add a note to clarify the need for the getApplication method in the example Add a note about the need to import or define the getApplication method in the plugin example to avoid confusion. docs/building-extensions/plugins/implementing-subscriber-registration-checker.md [26] -$app = $this->getApplication(); +$app = $this->getApplication(); // Ensure getApplication method is defined or imported Apply this suggestion Suggestion importance[1-10]: 5 Why: The suggestion enhances the documentation by clarifying the source or import requirement of the getApplication method, which is helpful but not critical.	5