WP_Theme_JSON_Resolver::get_user_data(): WP_Theme_JSON

Source

public static function get_user_data() {
	if ( null !== static::$user && static::has_same_registered_blocks( 'user' ) ) {
		return static::$user;
	}

	$config   = array();
	$user_cpt = static::get_user_data_from_wp_global_styles( wp_get_theme() );

	if ( array_key_exists( 'post_content', $user_cpt ) ) {
		$decoded_data = json_decode( $user_cpt['post_content'], true );

		$json_decoding_error = json_last_error();
		if ( JSON_ERROR_NONE !== $json_decoding_error ) {
			wp_trigger_error( __METHOD__, 'Error when decoding a theme.json schema for user data. ' . json_last_error_msg() );
			/**
			 * Filters the data provided by the user for global styles & settings.
			 *
			 * @since 6.1.0
			 *
			 * @param WP_Theme_JSON_Data $theme_json Class to access and update the underlying data.
			 */
			$theme_json = apply_filters( 'wp_theme_json_data_user', new WP_Theme_JSON_Data( $config, 'custom' ) );

			/*
			 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
			 * compatible class that is not a WP_Theme_JSON_Data object.
			 */
			if ( $theme_json instanceof WP_Theme_JSON_Data ) {
				return $theme_json->get_theme_json();
			} else {
				$config = $theme_json->get_data();
				return new WP_Theme_JSON( $config, 'custom' );
			}
		}

		/*
		 * Very important to verify that the flag isGlobalStylesUserThemeJSON is true.
		 * If it's not true then the content was not escaped and is not safe.
		 */
		if (
			is_array( $decoded_data ) &&
			isset( $decoded_data['isGlobalStylesUserThemeJSON'] ) &&
			$decoded_data['isGlobalStylesUserThemeJSON']
		) {
			unset( $decoded_data['isGlobalStylesUserThemeJSON'] );
			$config = $decoded_data;
		}
	}

	/** This filter is documented in wp-includes/class-wp-theme-json-resolver.php */
	$theme_json = apply_filters( 'wp_theme_json_data_user', new WP_Theme_JSON_Data( $config, 'custom' ) );

	/*
	 * Backward compatibility for extenders returning a WP_Theme_JSON_Data
	 * compatible class that is not a WP_Theme_JSON_Data object.
	 */
	if ( $theme_json instanceof WP_Theme_JSON_Data ) {
		static::$user = $theme_json->get_theme_json();
	} else {
		$config       = $theme_json->get_data();
		static::$user = new WP_Theme_JSON( $config, 'custom' );
	}

	return static::$user;
}

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