clean_comment_cache

What is WordPress Hook: clean_comment_cache

The clean_comment_cache hook in WordPress is used to clear the cache for comments. This hook is triggered when the comments cache is cleared, allowing developers to perform additional actions or tasks when this event occurs.

Understanding the Hook: clean_comment_cache

The clean_comment_cache hook is located within the wp-includes/comment.php file in WordPress. It is called within the clean_comment_cache function, which is responsible for clearing the comment cache.

Hook Parameters (if applicable): clean_comment_cache

The clean_comment_cache hook does not accept any arguments or parameters. It is a simple action hook that is triggered when the comment cache is cleared.

Hook Doesn’t Work: clean_comment_cache

If the clean_comment_cache hook doesn’t work as expected, it could be due to conflicts with other plugins or themes that are also attempting to clear the comment cache. It is recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue.

Best Practices & Usage Notes (if applicable): clean_comment_cache

When using the clean_comment_cache hook, it is important to note that any custom actions or tasks added to this hook should be lightweight and not cause delays in the comment cache clearing process. Additionally, developers should avoid using this hook for tasks unrelated to comment cache clearing to maintain optimal performance.

Usage Example: clean_comment_cache

“`php
function custom_clear_comment_cache() {
// Perform custom actions when the comment cache is cleared
}
add_action( ‘clean_comment_cache’, ‘custom_clear_comment_cache’ );
“`

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