wp_is_block_theme() – Function | Developer.WordPress.org

Returns whether the active theme is a block-based theme or not.

Return

bool Whether the active theme is a block-based theme or not.

Source

function wp_is_block_theme() {
	if ( empty( $GLOBALS['wp_theme_directories'] ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'This function should not be called before the theme directory is registered.' ), '6.8.0' );
		return false;
	}

	return wp_get_theme()->is_block_theme();
}

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Uses	Description
wp_get_theme()`wp-includes/theme.php`	Gets a WP_Theme object for a theme.

Used by	Description
WP_Script_Modules::add_hooks()`wp-includes/class-wp-script-modules.php`	Adds the hooks to print the import map, enqueued script modules and script module preloads.
WP_Duotone::output_footer_assets()`wp-includes/class-wp-duotone.php`	Outputs all necessary SVG for duotone filters, CSS for classic themes.
wp_enqueue_stored_styles()`wp-includes/script-loader.php`	Fetches, processes and compiles stored core styles, then combines and renders them to the page.
wp_enqueue_block_support_styles()`wp-includes/script-loader.php`	Hooks inline styles in the proper place, depending on the active theme.
_add_default_theme_supports()`wp-includes/theme.php`	Adds default theme supports for block themes when the ‘after_setup_theme’ action fires.
_add_plugin_file_editor_to_tools()`wp-admin/menu.php`	Adds the ‘Plugin File Editor’ menu item after the ‘Themes File Editor’ in Tools for block themes.
WP_REST_Sidebars_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php`	Prepares a single sidebar output for response.
wp_enable_block_templates()`wp-includes/theme-templates.php`	Enables the block templates (editor mode) for themes with theme.json by default.
wp_enqueue_global_styles()`wp-includes/script-loader.php`	Enqueues the global styles defined via theme.json.
_add_themes_utility_last()`wp-admin/menu.php`	Adds the ‘Theme File Editor’ menu item to the bottom of the Appearance (non-block themes) or Tools (block themes) menu.

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Changelog

Version	Description
5.9.0	Introduced.

wp_is_block_theme(): bool

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Changelog

User Contributed Notes

wp_is_block_theme(): bool

In this article

Return

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Changelog

User Contributed Notes