What is WordPress Hook: load-{$pagenow}

The load-{$pagenow} hook in WordPress is used to execute specific functions or code when a particular admin page is loaded. This hook allows developers to customize and modify the behavior of WordPress admin pages.

Understanding the Hook: load-{$pagenow}

The load-{$pagenow} hook is located within the wp-admin/admin.php file, and it is triggered after the basic admin panel markup has been created. This hook is specific to admin pages and can be used to enqueue scripts, styles, or perform other actions based on the current admin page being loaded.

Hook Parameters (if applicable): load-{$pagenow}

The load-{$pagenow} hook does not accept any parameters by default. However, developers can pass additional arguments to the hooked functions using the add_action() function in WordPress.

Hook Doesn’t Work: load-{$pagenow}

If the load-{$pagenow} hook doesn’t seem to work as expected, it could be due to incorrect usage or timing issues. Ensure that the hook is being added at the appropriate time and that the function attached to the hook is properly defined. Additionally, conflicts with other plugins or themes may also cause the hook to not work as intended.

Best Practices & Usage Notes (if applicable): load-{$pagenow}

When using the load-{$pagenow} hook, it’s important to consider the specific admin page being targeted and to test the functionality thoroughly. Additionally, it’s recommended to only use this hook for necessary customizations and to avoid overloading admin pages with unnecessary code.

load-{$pagenow} Usage Example: load-{$pagenow}

“`php
function custom_admin_script() {
global $pagenow;
if ($pagenow === ‘edit.php’) {
wp_enqueue_script(‘custom-admin-script’, get_template_directory_uri() . ‘/js/admin-script.js’, array(‘jquery’), ‘1.0’, true);
}
}
add_action(‘load-{$pagenow}’, ‘custom_admin_script’);
“`