View file File name : load-google-fonts.php Content :<?php /** * Load the google fonts by the new Font Library. See pNEWy-hhx-p2. * * @package automattic/jetpack */ if ( ! class_exists( 'Jetpack_Google_Font_Face' ) ) { /** * Load Jetpack Google Font Face */ require_once __DIR__ . '/class-jetpack-google-font-face.php'; } /** * Gets the Google Fonts data * * @return object[] The collection data of the Google Fonts. */ function jetpack_get_google_fonts_data() { /** * Filters the Google Fonts data before the default retrieval process. * * This filter allows short-circuiting the default Google Fonts data retrieval process. * Returning a non-null value from this filter will bypass the default retrieval * and return the filtered value instead. * * @module google-fonts * * @since 13.7 * * @param null|array $pre The pre-filtered Google Fonts data, default null. */ $pre = apply_filters( 'pre_jetpack_get_google_fonts_data', null ); if ( null !== $pre ) { return $pre; } $default_google_fonts_api_url = 'https://fonts.gstatic.com'; $jetpack_google_fonts_collection_url = 'https://s0.wp.com/i/font-collections/jetpack-google-fonts.json'; $cache_key = 'jetpack_google_fonts_' . md5( $jetpack_google_fonts_collection_url ); $data = get_transient( $cache_key ); if ( $data === false ) { $response = wp_remote_get( $jetpack_google_fonts_collection_url ); if ( is_wp_error( $response ) || wp_remote_retrieve_response_code( $response ) !== 200 ) { return null; } $data = json_decode( wp_remote_retrieve_body( $response ), true ); if ( $data === null ) { return null; } set_transient( $cache_key, $data, DAY_IN_SECONDS ); } // Replace the google fonts api url if the custom one is provided. $custom_google_fonts_api_url = \esc_url( /** * Filters the Google Fonts API URL. * * @module google-fonts * * @since 12.8 * * @param string $url The Google Fonts API URL. */ apply_filters( 'jetpack_google_fonts_api_url', $default_google_fonts_api_url ) ); if ( $custom_google_fonts_api_url !== $default_google_fonts_api_url ) { foreach ( $data['fontFamilies'] as &$font_family ) { foreach ( $font_family['fontFace'] as &$font_face ) { $font_face['src'] = str_replace( $default_google_fonts_api_url, $custom_google_fonts_api_url, $font_face['src'] ); } } } if ( is_array( $data ) && is_array( $data['fontFamilies'] ) ) { return $data; } } /** * Gets the map of the available Google Fonts * * @param object[] $google_fonts_data The collection data of the Google Fonts. * @return object[] The map of the the available Google Fonts. */ function jetpack_get_available_google_fonts_map( $google_fonts_data ) { $jetpack_google_fonts_list = array_map( function ( $font_family ) { return $font_family['name']; }, $google_fonts_data['fontFamilies'] ); /** * Curated list of Google Fonts. * * @module google-fonts * * @since 10.8 * * @param array $fonts_to_register Array of Google Font names to register. */ $google_font_list = apply_filters( 'jetpack_google_fonts_list', $jetpack_google_fonts_list ); $available_google_fonts_map = array(); foreach ( $google_font_list as $google_font ) { $available_google_fonts_map[ $google_font ] = true; } return $available_google_fonts_map; } /** * Register google fonts to the theme json data * * @param WP_Theme_JSON_Data $theme_json The theme json data of core. * @return WP_Theme_JSON_Data The theme json data with registered google fonts. */ function jetpack_register_google_fonts_to_theme_json( $theme_json ) { $google_fonts_data = jetpack_get_google_fonts_data(); if ( ! $google_fonts_data ) { return $theme_json; } $available_google_fonts_map = jetpack_get_available_google_fonts_map( $google_fonts_data ); $google_fonts_families = array_values( array_filter( $google_fonts_data['fontFamilies'], function ( $google_fonts_family ) use ( $available_google_fonts_map ) { $name = $google_fonts_family['name']; return $available_google_fonts_map[ $name ] ?? false; } ) ); $raw_data = $theme_json->get_data(); $origin = 'default'; if ( empty( $raw_data['settings']['typography']['fontFamilies'][ $origin ] ) ) { $raw_data['settings']['typography']['fontFamilies'][ $origin ] = array(); } foreach ( $google_fonts_families as $font_family ) { $raw_data['settings']['typography']['fontFamilies'][ $origin ][] = $font_family; } $theme_json_class = get_class( $theme_json ); return new $theme_json_class( $raw_data, $origin ); } add_filter( 'wp_theme_json_data_default', 'jetpack_register_google_fonts_to_theme_json' ); /** * Filter out the deprecated font families that are from the jetpack-google-fonts provider. * * @param object[] $font_families The font families. * @return object[] The filtered font families. */ function jetpack_google_fonts_filter_out_deprecated_font_data( $font_families ) { return array_values( array_filter( $font_families, function ( $font_family ) { $has_deprecated_google_fonts_data = false; if ( isset( $font_family['fontFace'] ) ) { foreach ( $font_family['fontFace'] as $font_face ) { $provider = $font_face['provider'] ?? ''; if ( $provider === 'jetpack-google-fonts' ) { $has_deprecated_google_fonts_data = true; break; } } } return ! $has_deprecated_google_fonts_data; } ) ); } /** * Unregister the deprecated jetpack-google-fonts provider from theme json data that were stored * before we moved to the Font Library. * * @param WP_Theme_JSON_Data $theme_json The theme json data. * @return WP_Theme_JSON_Data The filtered theme json data. */ function jetpack_unregister_deprecated_google_fonts_from_theme_json_data( $theme_json ) { $raw_data = $theme_json->get_data(); $origin = 'theme'; if ( empty( $raw_data['settings']['typography']['fontFamilies'][ $origin ] ) ) { return $theme_json; } // Filter out the font definitions that are from the jetpack-google-fonts provider. $raw_data['settings']['typography']['fontFamilies'][ $origin ] = jetpack_google_fonts_filter_out_deprecated_font_data( $raw_data['settings']['typography']['fontFamilies'][ $origin ] ); $theme_json_class = get_class( $theme_json ); return new $theme_json_class( $raw_data, 'custom' ); } add_filter( 'wp_theme_json_data_theme', 'jetpack_unregister_deprecated_google_fonts_from_theme_json_data' ); add_filter( 'wp_theme_json_data_user', 'jetpack_unregister_deprecated_google_fonts_from_theme_json_data' ); // Initialize Jetpack Google Font Face to avoid printing **ALL** google fonts provided by this module. // See p1700040028362329-slack-C4GAQ900P and p7DVsv-jib-p2 new Jetpack_Google_Font_Face();