clean_user_cache

What is WordPress Hook: clean_user_cache

The clean_user_cache hook in WordPress is used to clear the cache for a specific user when their data is updated or modified. This hook is essential for maintaining the integrity of user data and ensuring that the most up-to-date information is displayed.

Understanding the Hook: clean_user_cache

The clean_user_cache hook is located within the wp-includes/user.php file in WordPress. It is called whenever the cache for a specific user needs to be cleared, such as when their profile information is updated or when a user is deleted from the system.

Hook Parameters (if applicable): clean_user_cache

The clean_user_cache hook accepts two parameters: $user_id and $clean_user. The $user_id parameter is the ID of the user whose cache needs to be cleared, and the $clean_user parameter is a boolean value that indicates whether the user’s data should be cleaned.

Hook Doesn’t Work: clean_user_cache

If the clean_user_cache hook doesn’t work as expected, it may be due to a conflict with other plugins or themes that are also modifying user data. To troubleshoot this issue, it is recommended to deactivate other plugins and switch to a default theme to see if the problem persists.

Best Practices & Usage Notes (if applicable): clean_user_cache

When using the clean_user_cache hook, it is important to consider the potential impact on performance, especially on sites with a large number of users. It is best practice to use this hook sparingly and only when necessary to avoid unnecessary strain on the server.

clean_user_cache Usage Example: clean_user_cache

“`php
function custom_update_user_data( $user_id ) {
// Update user data here

// Clear user cache
do_action( ‘clean_user_cache’, $user_id, true );
}
add_action( ‘profile_update’, ‘custom_update_user_data’ );
“`

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