What is WordPress Hook: load-{$page_hook}
The load-{$page_hook} hook in WordPress is used to execute specific functions or code when a particular admin page is loaded. This hook allows developers to customize the behavior of WordPress admin pages by adding their own functionality.
Understanding the Hook: load-{$page_hook}
The load-{$page_hook} hook is located within the wp-admin/admin.php file, where it is used to load the requested admin page. This hook is typically used to enqueue scripts and styles, perform validation checks, or execute other custom code when a specific admin page is accessed.
Hook Parameters (if applicable): load-{$page_hook}
The load-{$page_hook} hook does not accept any specific parameters, as it is primarily used to trigger actions when a particular admin page is loaded. However, developers can access the current page hook as a global variable within their custom functions to determine which admin page is being loaded.
Hook Doesn’t Work: load-{$page_hook}
If the load-{$page_hook} hook does not seem to be working as expected, it may be due to incorrect usage or a conflict with other plugins or themes. Developers should ensure that the hook is being added at the appropriate time and that any custom functions attached to the hook are properly defined. Additionally, conflicts with other code or plugins can be identified by disabling other customizations and testing the hook in isolation.
Best Practices & Usage Notes (if applicable): load-{$page_hook}
When using the load-{$page_hook} hook, it is important to consider the specific admin page being targeted and to only add necessary functionality to avoid unnecessary performance overhead. Additionally, developers should be mindful of potential conflicts with other customizations and ensure that their code is well-documented and follows best practices to maintain compatibility with future WordPress updates.
Usage Example: load-{$page_hook}
“`php
function custom_admin_scripts() {
global $page_hook;
if ( $page_hook === ‘my-custom-admin-page’ ) {
wp_enqueue_script( ‘custom-admin-script’, ‘path/to/custom-admin-script.js’, array( ‘jquery’ ), ‘1.0’, true );
}
}
add_action( ‘load-{$page_hook}’, ‘custom_admin_scripts’ );
“`
