EVOLUTION-MANAGER
Edit File: class-kirki-fonts.php
<?php /** * A simple object containing properties for fonts. * * @package Kirki * @category Core * @author Ari Stathopoulos (@aristath) * @copyright Copyright (c) 2020, David Vongries * @license https://opensource.org/licenses/MIT * @since 1.0 */ /** * The Kirki_Fonts object. */ final class Kirki_Fonts { /** * The mode we'll be using to add google fonts. * This is a todo item, not yet functional. * * @static * @todo * @access public * @var string */ public static $mode = 'link'; /** * Holds a single instance of this object. * * @static * @access private * @var null|object */ private static $instance = null; /** * An array of our google fonts. * * @static * @access public * @var null|object */ public static $google_fonts = null; /** * The class constructor. */ private function __construct() {} /** * Get the one, true instance of this class. * Prevents performance issues since this is only loaded once. * * @return object Kirki_Fonts */ public static function get_instance() { if ( null === self::$instance ) { self::$instance = new self(); } return self::$instance; } /** * Compile font options from different sources. * * @return array All available fonts. */ public static function get_all_fonts() { $standard_fonts = self::get_standard_fonts(); $google_fonts = self::get_google_fonts(); return apply_filters( 'kirki_fonts_all', array_merge( $standard_fonts, $google_fonts ) ); } /** * Return an array of standard websafe fonts. * * @return array Standard websafe fonts. */ public static function get_standard_fonts() { $standard_fonts = array( 'serif' => array( 'label' => 'Serif', 'stack' => 'Georgia,Times,"Times New Roman",serif', ), 'sans-serif' => array( 'label' => 'Sans Serif', 'stack' => '-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif', ), 'monospace' => array( 'label' => 'Monospace', 'stack' => 'Monaco,"Lucida Sans Typewriter","Lucida Typewriter","Courier New",Courier,monospace', ), ); return apply_filters( 'kirki_fonts_standard_fonts', $standard_fonts ); } /** * Return an array of all available Google Fonts. * * @return array All Google Fonts. */ public static function get_google_fonts() { // Get fonts from cache. self::$google_fonts = get_site_transient( 'kirki_googlefonts_cache' ); /** * Reset the cache if we're using action=kirki-reset-cache in the URL. * * Note to code reviewers: * There's no need to check nonces or anything else, this is a simple true/false evaluation. */ if ( ! empty( $_GET['action'] ) && 'kirki-reset-cache' === $_GET['action'] ) { // phpcs:ignore WordPress.Security.NonceVerification self::$google_fonts = false; } // If cache is populated, return cached fonts array. if ( self::$google_fonts ) { return self::$google_fonts; } // If we got this far, cache was empty so we need to get from JSON. ob_start(); include wp_normalize_path( dirname( __FILE__ ) . '/webfonts.json' ); // phpcs:ignore WPThemeReview.CoreFunctionality.FileInclude $fonts_json = ob_get_clean(); $fonts = json_decode( $fonts_json, true ); $google_fonts = array(); if ( is_array( $fonts ) ) { foreach ( $fonts['items'] as $font ) { $google_fonts[ $font['family'] ] = array( 'label' => $font['family'], 'variants' => $font['variants'], 'category' => $font['category'], ); } } // Apply the 'kirki_fonts_google_fonts' filter. self::$google_fonts = apply_filters( 'kirki_fonts_google_fonts', $google_fonts ); // Save the array in cache. $cache_time = apply_filters( 'kirki_googlefonts_transient_time', DAY_IN_SECONDS ); set_site_transient( 'kirki_googlefonts_cache', self::$google_fonts, $cache_time ); return self::$google_fonts; } /** * Returns an array of all available subsets. * * @static * @access public * @return array */ public static function get_google_font_subsets() { return array( 'cyrillic' => 'Cyrillic', 'cyrillic-ext' => 'Cyrillic Extended', 'devanagari' => 'Devanagari', 'greek' => 'Greek', 'greek-ext' => 'Greek Extended', 'khmer' => 'Khmer', 'latin' => 'Latin', 'latin-ext' => 'Latin Extended', 'vietnamese' => 'Vietnamese', 'hebrew' => 'Hebrew', 'arabic' => 'Arabic', 'bengali' => 'Bengali', 'gujarati' => 'Gujarati', 'tamil' => 'Tamil', 'telugu' => 'Telugu', 'thai' => 'Thai', ); } /** * Dummy function to avoid issues with backwards-compatibility. * This is not functional, but it will prevent PHP Fatal errors. * * @static * @access public */ public static function get_google_font_uri() {} /** * Returns an array of all available variants. * * @static * @access public * @return array */ public static function get_all_variants() { return array( '100' => esc_html__( 'Ultra-Light 100', 'kirki' ), '100light' => esc_html__( 'Ultra-Light 100', 'kirki' ), '100italic' => esc_html__( 'Ultra-Light 100 Italic', 'kirki' ), '200' => esc_html__( 'Light 200', 'kirki' ), '200italic' => esc_html__( 'Light 200 Italic', 'kirki' ), '300' => esc_html__( 'Book 300', 'kirki' ), '300italic' => esc_html__( 'Book 300 Italic', 'kirki' ), '400' => esc_html__( 'Normal 400', 'kirki' ), 'regular' => esc_html__( 'Normal 400', 'kirki' ), 'italic' => esc_html__( 'Normal 400 Italic', 'kirki' ), '500' => esc_html__( 'Medium 500', 'kirki' ), '500italic' => esc_html__( 'Medium 500 Italic', 'kirki' ), '600' => esc_html__( 'Semi-Bold 600', 'kirki' ), '600bold' => esc_html__( 'Semi-Bold 600', 'kirki' ), '600italic' => esc_html__( 'Semi-Bold 600 Italic', 'kirki' ), '700' => esc_html__( 'Bold 700', 'kirki' ), '700italic' => esc_html__( 'Bold 700 Italic', 'kirki' ), '800' => esc_html__( 'Extra-Bold 800', 'kirki' ), '800bold' => esc_html__( 'Extra-Bold 800', 'kirki' ), '800italic' => esc_html__( 'Extra-Bold 800 Italic', 'kirki' ), '900' => esc_html__( 'Ultra-Bold 900', 'kirki' ), '900bold' => esc_html__( 'Ultra-Bold 900', 'kirki' ), '900italic' => esc_html__( 'Ultra-Bold 900 Italic', 'kirki' ), ); } /** * Determine if a font-name is a valid google font or not. * * @static * @access public * @param string $fontname The name of the font we want to check. * @return bool */ public static function is_google_font( $fontname ) { return ( array_key_exists( $fontname, self::$google_fonts ) ); } /** * Gets available options for a font. * * @static * @access public * @return array */ public static function get_font_choices() { $fonts = self::get_all_fonts(); $fonts_array = array(); foreach ( $fonts as $key => $args ) { $fonts_array[ $key ] = $key; } return $fonts_array; } }