EVOLUTION-MANAGER
Edit File: class-kirki-modules-webfonts-embed.php
<?php /** * Adds the Webfont Loader to load fonts asyncronously. * * @package Kirki * @category Core * @author Ari Stathopoulos (@aristath) * @copyright Copyright (c) 2020, David Vongries * @license https://opensource.org/licenses/MIT * @since 3.0 */ /** * Manages the way Google Fonts are enqueued. */ final class Kirki_Modules_Webfonts_Embed { /** * The config ID. * * @access protected * @since 3.0.0 * @var string */ protected $config_id; /** * The Kirki_Modules_Webfonts object. * * @access protected * @since 3.0.0 * @var object */ protected $webfonts; /** * The Kirki_Fonts_Google object. * * @access protected * @since 3.0.0 * @var object */ protected $googlefonts; /** * Fonts to load. * * @access protected * @since 3.0.26 * @var array */ protected $fonts_to_load = array(); /** * Constructor. * * @access public * @since 3.0 * @param string $config_id The config-ID. * @param object $webfonts The Kirki_Modules_Webfonts object. * @param object $googlefonts The Kirki_Fonts_Google object. * @param array $args Extra args we want to pass. */ public function __construct( $config_id, $webfonts, $googlefonts, $args = array() ) { $this->config_id = $config_id; $this->webfonts = $webfonts; $this->googlefonts = $googlefonts; add_action( 'wp', array( $this, 'init' ), 9 ); if ( get_theme_mod( 'google_fonts_cdn' ) ) add_filter( 'wp_resource_hints', array( $this, 'resource_hints' ), 10, 2 ); } /** * Init. * * @access public * @since 3.0.36 * @return void */ public function init() { $this->populate_fonts(); add_action( 'kirki_dynamic_css', array( $this, 'the_css' ) ); } /** * Add preconnect for Google Fonts. * * @access public * @param array $urls URLs to print for resource hints. * @param string $relation_type The relation type the URLs are printed. * @return array $urls URLs to print for resource hints. */ public function resource_hints( $urls, $relation_type ) { $fonts_to_load = $this->googlefonts->fonts; if ( ! empty( $fonts_to_load ) && 'preconnect' === $relation_type ) { $urls[] = array( 'href' => 'https://fonts.gstatic.com', 'crossorigin', ); } return $urls; } /** * Webfont Loader for Google Fonts. * * @access public * @since 3.0.0 */ public function populate_fonts() { // Go through our fields and populate $this->fonts. $this->webfonts->loop_fields( $this->config_id ); $this->googlefonts->fonts = apply_filters( 'kirki_enqueue_google_fonts', $this->googlefonts->fonts ); // Goes through $this->fonts and adds or removes things as needed. $this->googlefonts->process_fonts(); foreach ( $this->googlefonts->fonts as $font => $weights ) { foreach ( $weights as $key => $value ) { if ( 'italic' === $value ) { $weights[ $key ] = '400i'; } else { $weights[ $key ] = str_replace( array( 'regular', 'bold', 'italic' ), array( '400', '', 'i' ), $value ); } } $this->fonts_to_load[] = array( 'family' => $font, 'weights' => $weights, ); } } /** * Webfont Loader script for Google Fonts. * * @access public * @since 3.0.0 */ public function the_css() { foreach ( $this->fonts_to_load as $font ) { $family = str_replace( ' ', '+', trim( $font['family'] ) ); $weights = join( ',', $font['weights'] ); $url = "https://fonts.googleapis.com/css?family={$family}:{$weights}&subset=cyrillic,cyrillic-ext,devanagari,greek,greek-ext,khmer,latin,latin-ext,vietnamese,hebrew,arabic,bengali,gujarati,tamil,telugu,thai&display=swap"; $transient_id = 'kirki_gfonts_' . md5( $url ); $contents = get_transient( $transient_id ); if ( ! class_exists( 'Kirki_Fonts_Downloader' ) ) { include_once wp_normalize_path( dirname( __FILE__ ) . '/class-kirki-fonts-downloader.php' ); // phpcs:ignore WPThemeReview.CoreFunctionality.FileInclude } $downloader = new Kirki_Fonts_Downloader(); $contents = $downloader->get_styles( $url ); if ( $contents ) { /** * Note to code reviewers: * * Though all output should be run through an escaping function, this is pure CSS * and it is added on a call that has a PHP `header( 'Content-type: text/css' );`. * No code, script or anything else can be executed from inside a stylesheet. * For extra security we're using the wp_strip_all_tags() function here * just to make sure there's no <script> tags in there or anything else. */ echo wp_strip_all_tags( $contents ); // phpcs:ignore WordPress.Security.EscapeOutput } } } }