<?php

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/**

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* Load the google fonts by the new Font Library. See pNEWy-hhx-p2.

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*

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* @package automattic/jetpack

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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if ( ! class_exists( 'Jetpack_Google_Font_Face' ) ) {

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/**

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* Load Jetpack Google Font Face

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*/

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require_once __DIR__ . '/class-jetpack-google-font-face.php';

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}

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/**

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* Gets the Google Fonts data

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*

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* @return object[] The collection data of the Google Fonts.

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*/

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function jetpack_get_google_fonts_data() {

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/**

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* Filters the Google Fonts data before the default retrieval process.

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*

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* This filter allows short-circuiting the default Google Fonts data retrieval process.

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* Returning a non-null value from this filter will bypass the default retrieval

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* and return the filtered value instead.

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*

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* @module google-fonts

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*

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* @since 13.7

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*

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* @param null|array $pre The pre-filtered Google Fonts data, default null.

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*/

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$pre = apply_filters( 'pre_jetpack_get_google_fonts_data', null );

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if ( null !== $pre ) {

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return $pre;

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}

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$default_google_fonts_api_url = 'https://fonts.gstatic.com';

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$jetpack_google_fonts_collection_url = 'https://s0.wp.com/i/font-collections/jetpack-google-fonts.json';

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$cache_key = 'jetpack_google_fonts_' . md5( $jetpack_google_fonts_collection_url );

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$data = get_transient( $cache_key );

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if ( $data === false ) {

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$response = wp_remote_get( $jetpack_google_fonts_collection_url );

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if ( is_wp_error( $response ) || wp_remote_retrieve_response_code( $response ) !== 200 ) {

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return null;

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}

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$data = json_decode( wp_remote_retrieve_body( $response ), true );

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if ( $data === null ) {

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return null;

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}

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set_transient( $cache_key, $data, DAY_IN_SECONDS );

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}

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// Replace the google fonts api url if the custom one is provided.

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$custom_google_fonts_api_url = \esc_url(

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/**

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* Filters the Google Fonts API URL.

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*

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* @module google-fonts

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*

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* @since 12.8

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*

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* @param string $url The Google Fonts API URL.

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*/

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apply_filters( 'jetpack_google_fonts_api_url', $default_google_fonts_api_url )

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);

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if ( $custom_google_fonts_api_url !== $default_google_fonts_api_url ) {

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foreach ( $data['fontFamilies'] as &$font_family ) {

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foreach ( $font_family['fontFace'] as &$font_face ) {

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$font_face['src'] = str_replace(

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$default_google_fonts_api_url,

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$custom_google_fonts_api_url,

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$font_face['src']

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);

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}

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}

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}

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if ( is_array( $data ) && is_array( $data['fontFamilies'] ) ) {

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return $data;

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}

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}

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/**

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* Gets the map of the available Google Fonts

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*

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* @param object[] $google_fonts_data The collection data of the Google Fonts.

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* @return object[] The map of the the available Google Fonts.

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*/

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function jetpack_get_available_google_fonts_map( $google_fonts_data ) {

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$jetpack_google_fonts_list = array_map(

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function ( $font_family ) {

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return $font_family['name'];

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},

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$google_fonts_data['fontFamilies']

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);

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/**

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* Curated list of Google Fonts.

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*

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* @module google-fonts

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*

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* @since 10.8

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*

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* @param array $fonts_to_register Array of Google Font names to register.

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*/

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$google_font_list = apply_filters( 'jetpack_google_fonts_list', $jetpack_google_fonts_list );

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$available_google_fonts_map = array();

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foreach ( $google_font_list as $google_font ) {

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$available_google_fonts_map[ $google_font ] = true;

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}

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return $available_google_fonts_map;

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}

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/**

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* Register google fonts to the theme json data

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*

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* @param WP_Theme_JSON_Data $theme_json The theme json data of core.

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* @return WP_Theme_JSON_Data The theme json data with registered google fonts.

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*/

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function jetpack_register_google_fonts_to_theme_json( $theme_json ) {

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$google_fonts_data = jetpack_get_google_fonts_data();

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if ( ! $google_fonts_data ) {

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return $theme_json;

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}

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$available_google_fonts_map = jetpack_get_available_google_fonts_map( $google_fonts_data );

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$google_fonts_families = array_values(

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array_filter(

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$google_fonts_data['fontFamilies'],

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function ( $google_fonts_family ) use ( $available_google_fonts_map ) {

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$name = $google_fonts_family['name'];

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return $available_google_fonts_map[ $name ] ?? false;

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}

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)

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);

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$raw_data = $theme_json->get_data();

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$origin = 'default';

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if ( empty( $raw_data['settings']['typography']['fontFamilies'][ $origin ] ) ) {

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$raw_data['settings']['typography']['fontFamilies'][ $origin ] = array();

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}

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foreach ( $google_fonts_families as $font_family ) {

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$raw_data['settings']['typography']['fontFamilies'][ $origin ][] = $font_family;

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}

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$theme_json_class = get_class( $theme_json );

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return new $theme_json_class( $raw_data, $origin );

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}

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add_filter( 'wp_theme_json_data_default', 'jetpack_register_google_fonts_to_theme_json' );

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/**

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* Filter out the deprecated font families that are from the jetpack-google-fonts provider.

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*

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* @param object[] $font_families The font families.

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* @return object[] The filtered font families.

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*/

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function jetpack_google_fonts_filter_out_deprecated_font_data( $font_families ) {

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return array_values(

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array_filter(

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$font_families,

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function ( $font_family ) {

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$has_deprecated_google_fonts_data = false;

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if ( isset( $font_family['fontFace'] ) ) {

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foreach ( $font_family['fontFace'] as $font_face ) {

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$provider = $font_face['provider'] ?? '';

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if ( $provider === 'jetpack-google-fonts' ) {

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$has_deprecated_google_fonts_data = true;

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break;

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}

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}

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}

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return ! $has_deprecated_google_fonts_data;

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}

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)

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);

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}

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/**

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* Unregister the deprecated jetpack-google-fonts provider from theme json data that were stored

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* before we moved to the Font Library.

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*

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* @param WP_Theme_JSON_Data $theme_json The theme json data.

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* @return WP_Theme_JSON_Data The filtered theme json data.

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*/

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function jetpack_unregister_deprecated_google_fonts_from_theme_json_data( $theme_json ) {

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$raw_data = $theme_json->get_data();

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$origin = 'theme';

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if ( empty( $raw_data['settings']['typography']['fontFamilies'][ $origin ] ) ) {

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return $theme_json;

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}

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// Filter out the font definitions that are from the jetpack-google-fonts provider.

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$raw_data['settings']['typography']['fontFamilies'][ $origin ] = jetpack_google_fonts_filter_out_deprecated_font_data(

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$raw_data['settings']['typography']['fontFamilies'][ $origin ]

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);

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$theme_json_class = get_class( $theme_json );

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return new $theme_json_class( $raw_data, 'custom' );

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}

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add_filter( 'wp_theme_json_data_theme', 'jetpack_unregister_deprecated_google_fonts_from_theme_json_data' );

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add_filter( 'wp_theme_json_data_user', 'jetpack_unregister_deprecated_google_fonts_from_theme_json_data' );

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/**

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* Clean up the Google Fonts data if either google fonts module is disabled or Jetpack is disabled.

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*/

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function jetpack_unregister_google_fonts() {

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$post_id = WP_Theme_JSON_Resolver::get_user_global_styles_post_id();

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// Get user config

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$user_config = WP_Theme_JSON_Resolver::get_user_data();

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$user_config_raw_data = $user_config->get_raw_data();

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$user_config_raw_data['isGlobalStylesUserThemeJSON'] = true;

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// Prepare data for saving

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if ( ! empty( $user_config_raw_data['settings']['typography']['fontFamilies']['default'] ) ) {

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$user_config_raw_data['settings']['typography']['fontFamilies']['default'] = array();

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}

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if ( ! empty( $user_config_raw_data['settings']['typography']['fontFamilies']['theme'] ) ) {

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$user_config_raw_data['settings']['typography']['fontFamilies']['theme'] = jetpack_google_fonts_filter_out_deprecated_font_data(

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$user_config_raw_data['settings']['typography']['fontFamilies']['theme'] // @phan-suppress-current-line PhanTypeInvalidDimOffset, PhanTypeMismatchArgument

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);

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}

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// Prepare changes

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$changes = new stdClass();

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$changes->ID = $post_id;

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$changes->post_content = wp_json_encode( $user_config_raw_data, JSON_UNESCAPED_SLASHES );

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// Update user config

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wp_update_post( wp_slash( (array) $changes ), true );

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}

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add_action( 'jetpack_deactivate_module_google-fonts', 'jetpack_unregister_google_fonts' );

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// Initialize Jetpack Google Font Face to avoid printing **ALL** google fonts provided by this module.

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// See p1700040028362329-slack-C4GAQ900P and p7DVsv-jib-p2

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new Jetpack_Google_Font_Face();

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