What is WordPress Hook: default_template_types
The default_template_types hook in WordPress is used to modify the default template types that are available for use in the theme template hierarchy. This hook allows developers to add, remove, or modify the default template types that WordPress uses to determine which template file to load for a specific page or post.
Understanding the Hook: default_template_types
The default_template_types hook is located within the get_query_template() function in the WordPress core. This function is responsible for determining the template hierarchy for a given page or post. By using the default_template_types hook, developers can modify the template types array before it is used to determine the template file to load.
Hook Parameters (if applicable): default_template_types
The default_template_types hook does not accept any arguments or parameters. It simply provides a way for developers to modify the default template types array before it is used in the template hierarchy.
Hook Doesn’t Work: default_template_types
If the default_template_types hook doesn’t seem to be working as expected, it could be due to a few different reasons. First, it’s important to ensure that the hook is being added in the correct location and with the correct syntax. Additionally, if other functions or plugins are also modifying the template types array, it could cause conflicts with the changes made by the default_template_types hook.
Best Practices & Usage Notes (if applicable): default_template_types
When using the default_template_types hook, it’s important to be mindful of other functions or plugins that may also be modifying the template types array. It’s best to use this hook in a way that is compatible with other code that may be running on the site. Additionally, it’s important to thoroughly test any changes made with this hook to ensure that they are functioning as expected.
default_template_types Usage Example: default_template_types
“`php
function custom_default_template_types( $types ) {
// Add a new template type
$types[] = ‘custom’;
// Remove the ‘page’ template type
if ( ( $key = array_search( ‘page’, $types ) ) !== false ) {
unset( $types[$key] );
}
return $types;
}
add_filter( ‘default_template_types’, ‘custom_default_template_types’ );
“`