pport data in theme.json format. * Default empty array. * @return WP_Theme_JSON Entity that holds theme data. */ public static function get_theme_data( $theme_support_data = array() ) { if ( null === self::$theme ) { $theme_json_data = self::read_json_file( self::get_file_path_from_theme( 'theme.json' ) ); $theme_json_data = self::translate( $theme_json_data, wp_get_theme()->get( 'TextDomain' ) ); self::$theme = new WP_Theme_JSON( $theme_json_data ); } if ( empty( $theme_support_data ) ) { return self::$theme; } /* * We want the presets and settings declared in theme.json * to override the ones declared via add_theme_support. */ $with_theme_supports = new WP_Theme_JSON( $theme_support_data ); $with_theme_supports->merge( self::$theme ); return $with_theme_supports; } /** * There are different sources of data for a site: core and theme. * * While the getters {@link get_core_data}, {@link get_theme_data} return the raw data * from the respective origins, this method merges them all together. * * If the same piece of data is declared in different origins (core and theme), * the last origin overrides the previous. For example, if core disables custom colors * but a theme enables them, the theme config wins. * * @since 5.8.0 * * @param array $settings Optional. Existing block editor settings. Default empty array. * @return WP_Theme_JSON */ public static function get_merged_data( $settings = array() ) { $theme_support_data = WP_Theme_JSON::get_from_editor_settings( $settings ); $result = new WP_Theme_JSON(); $result->merge( self::get_core_data() ); $result->merge( self::get_theme_data( $theme_support_data ) ); return $result; } /** * Whether the current theme has a theme.json file. * * @since 5.8.0 * * @return bool */ public static function theme_has_support() { if ( ! isset( self::$theme_has_support ) ) { self::$theme_has_support = (bool) self::get_file_path_from_theme( 'theme.json' ); } return self::$theme_has_support; } /** * Builds the path to the given file and checks that it is readable. * * If it isn't, returns an empty string, otherwise returns the whole file path. * * @since 5.8.0 * * @param string $file_name Name of the file. * @return string The whole file path or empty if the file doesn't exist. */ private static function get_file_path_from_theme( $file_name ) { /* * This used to be a locate_template call. However, that method proved problematic * due to its use of constants (STYLESHEETPATH) that threw errors in some scenarios. * * When the theme.json merge algorithm properly supports child themes, * this should also fall back to the template path, as locate_template did. */ $located = ''; $candidate = get_stylesheet_directory() . '/' . $file_name; if ( is_readable( $candidate ) ) { $located = $candidate; } return $located; } /** * Cleans the cached data so it can be recalculated. * * @since 5.8.0 */ public static function clean_cached_data() { self::$core = null; self::$theme = null; self::$theme_has_support = null; self::$theme_json_i18n = null; } }