What is WordPress Hook: all_themes
The all_themes hook in WordPress is used to modify or add themes to the list of available themes in the admin dashboard. It allows developers to customize the theme selection process and add their own themes to the list.
Understanding the Hook: all_themes
The all_themes hook is located within the WP_Theme class in the wp-includes/theme.php file. It is called within the get_themes() function, which retrieves an array of installed themes. The hook allows developers to modify this array and add their own themes to the list.
Hook Parameters (if applicable): all_themes
The all_themes hook does not accept any parameters. It simply provides a way for developers to modify the list of available themes in the admin dashboard.
Hook Doesn’t Work: all_themes
If the all_themes hook doesn’t work as expected, it may be due to a conflict with other themes or plugins that are also modifying the list of available themes. It’s important to check for any conflicting code and ensure that the hook is being called at the appropriate time during the theme selection process.
Best Practices & Usage Notes (if applicable): all_themes
When using the all_themes hook, it’s important to consider the user experience and not overwhelm the theme selection list with too many options. It’s best to use this hook sparingly and only add themes that are relevant and necessary for the user.
all_themes Usage Example: all_themes
“`php
function custom_theme_list( $themes ) {
$custom_theme = array(
‘Custom Theme’ => array(
‘Name’ => ‘Custom Theme’,
‘Template’ => ‘custom-theme’,
‘Stylesheet’ => ‘custom-theme’,
),
);
$themes = array_merge( $themes, $custom_theme );
return $themes;
}
add_filter( ‘all_themes’, ‘custom_theme_list’ );
“`