What is WordPress Hook: admin_viewport_meta
The admin_viewport_meta hook is a specific hook in WordPress that allows developers to add meta tags to the head section of the admin area. This can be useful for adding custom meta tags for various purposes, such as SEO or tracking code.
Understanding the Hook: admin_viewport_meta
The admin_viewport_meta hook is located within the function wp_admin_headers() in the wp-admin/admin-header.php file. This function is responsible for outputting the meta tags in the admin area, and the admin_viewport_meta hook allows developers to add their own custom meta tags to this section.
Hook Parameters (if applicable): admin_viewport_meta
The admin_viewport_meta hook does not accept any arguments or parameters. Developers can simply use this hook to add their custom meta tags without needing to pass any additional information.
Hook Doesn’t Work: admin_viewport_meta
If the admin_viewport_meta hook doesn’t seem to be working, it could be due to a few reasons. Firstly, it’s important to ensure that the hook is being added in the correct location, such as within the admin_head action. Additionally, conflicts with other plugins or themes could also cause the hook to not work as expected. It’s recommended to troubleshoot by deactivating other plugins or switching to a default theme to see if the issue persists.
Best Practices & Usage Notes (if applicable): admin_viewport_meta
When using the admin_viewport_meta hook, it’s important to note that adding too many meta tags to the admin area can clutter the head section and potentially impact performance. It’s best to use this hook sparingly and only for essential meta tags that serve a specific purpose.
admin_viewport_meta Usage Example: admin_viewport_meta
“`php
function custom_admin_viewport_meta() {
echo ‘‘;
}
add_action(‘admin_viewport_meta’, ‘custom_admin_viewport_meta’);
“`
In this example, the custom_admin_viewport_meta function adds a meta tag for setting the viewport in the admin area using the admin_viewport_meta hook. This can be useful for ensuring that the admin interface is properly optimized for mobile devices.