What is WordPress Hook: pre_user_display_name
The pre_user_display_name hook in WordPress is used to filter and modify the display name of a user before it is saved to the database. This allows developers to customize the display name format or apply any necessary changes before it is displayed on the website.
Understanding the Hook: pre_user_display_name
The pre_user_display_name hook is located within the user registration and profile update process in WordPress. It is triggered before the display name is saved, giving developers the opportunity to modify the display name based on specific requirements or business logic.
Hook Parameters (if applicable): pre_user_display_name
The pre_user_display_name hook accepts two parameters: $display_name and $user. The $display_name parameter contains the display name to be modified, while the $user parameter contains the user object associated with the display name.
Hook Doesn’t Work: pre_user_display_name
If the pre_user_display_name hook doesn’t work as expected, it may be due to incorrect implementation or conflicts with other plugins or themes. Developers should ensure that the hook is properly added to the functions.php file or a custom plugin. Additionally, checking for any syntax errors or conflicting code can help troubleshoot issues with the hook.
Best Practices & Usage Notes (if applicable): pre_user_display_name
When using the pre_user_display_name hook, developers should be mindful of any potential security implications, especially if the display name is being modified based on user input. It is important to sanitize and validate the modified display name to prevent any security vulnerabilities. Additionally, developers should consider the impact of the modified display name on user experience and ensure that it aligns with the website’s branding and user interface guidelines.
Usage Example: pre_user_display_name
“`php
function custom_modify_display_name( $display_name, $user ) {
// Add custom logic to modify the display name
return $display_name;
}
add_filter( ‘pre_user_display_name’, ‘custom_modify_display_name’, 10, 2 );
“`
