What is WordPress Hook: contextual_help_list
The contextual_help_list hook in WordPress is used to add or modify the contextual help tabs on various admin screens. These tabs provide additional information and guidance for users navigating the WordPress dashboard.
Understanding the Hook: contextual_help_list
The contextual_help_list hook is located within the WordPress admin screens and is specifically used to modify the contextual help tabs. It allows developers to add new tabs, modify existing ones, or remove tabs altogether to provide customized help content for users.
Hook Parameters (if applicable): contextual_help_list
The contextual_help_list hook does not accept any specific parameters, as it is primarily used to modify the contextual help tabs directly within the WordPress admin screens.
Hook Doesn’t Work: contextual_help_list
If the contextual_help_list hook doesn’t work as expected, it may be due to conflicts with other plugins or themes that also modify the contextual help tabs. It is recommended to deactivate other plugins or switch to a default theme to troubleshoot the issue.
Best Practices & Usage Notes (if applicable): contextual_help_list
When using the contextual_help_list hook, it is important to consider the user experience and provide helpful and relevant information within the contextual help tabs. It is also recommended to test the modifications across different admin screens to ensure consistent and effective contextual help content.
Usage Example: contextual_help_list
“`php
function custom_contextual_help_tabs() {
$screen = get_current_screen();
if ( $screen->id === ‘edit-post’ ) {
$screen->add_help_tab( array(
‘id’ => ‘custom-help-tab’,
‘title’ => ‘Custom Help Tab’,
‘content’ => ‘
This is a custom help tab for the post editor screen.
‘,
) );
}
}
add_action( ‘contextual_help_list’, ‘custom_contextual_help_tabs’ );
“`