<?php

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/**

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* Twenty Twenty functions and definitions

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*

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* @link https://developer.wordpress.org/themes/basics/theme-functions/

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*

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* @package WordPress

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* @subpackage Twenty_Twenty

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* @since Twenty Twenty 1.0

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*/

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/**

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* Table of Contents:

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* Theme Support

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* Required Files

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* Register Styles

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* Register Scripts

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* Register Menus

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* Custom Logo

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* WP Body Open

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* Register Sidebars

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* Enqueue Block Editor Assets

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* Enqueue Classic Editor Styles

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* Block Editor Settings

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*/

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/**

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* Sets up theme defaults and registers support for various WordPress features.

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*

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* Note that this function is hooked into the after_setup_theme hook, which

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* runs before the init hook. The init hook is too late for some features, such

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* as indicating support for post thumbnails.

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*/

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function twentytwenty_theme_support() {

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// Add default posts and comments RSS feed links to head.

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add_theme_support( 'automatic-feed-links' );

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// Custom background color.

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add_theme_support(

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'custom-background',

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array(

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'default-color' => 'f5efe0',

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)

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);

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// Set content-width.

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global $content_width;

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if ( ! isset( $content_width ) ) {

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$content_width = 580;

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}

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/*

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* Enable support for Post Thumbnails on posts and pages.

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*

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* @link https://developer.wordpress.org/themes/functionality/featured-images-post-thumbnails/

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*/

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add_theme_support( 'post-thumbnails' );

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// Set post thumbnail size.

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set_post_thumbnail_size( 1200, 9999 );

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// Add custom image size used in Cover Template.

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add_image_size( 'twentytwenty-fullscreen', 1980, 9999 );

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// Custom logo.

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$logo_width = 120;

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$logo_height = 90;

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// If the retina setting is active, double the recommended width and height.

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if ( get_theme_mod( 'retina_logo', false ) ) {

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$logo_width = floor( $logo_width * 2 );

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$logo_height = floor( $logo_height * 2 );

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}

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add_theme_support(

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'custom-logo',

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array(

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'height' => $logo_height,

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'width' => $logo_width,

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'flex-height' => true,

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'flex-width' => true,

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)

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);

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/*

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* Let WordPress manage the document title.

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* By adding theme support, we declare that this theme does not use a

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* hard-coded <title> tag in the document head, and expect WordPress to

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* provide it for us.

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*/

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add_theme_support( 'title-tag' );

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/*

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* Switch default core markup for search form, comment form, and comments

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* to output valid HTML5.

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*/

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add_theme_support(

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'html5',

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array(

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'search-form',

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'comment-form',

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'comment-list',

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'gallery',

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'caption',

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'script',

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'style',

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'navigation-widgets',

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)

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);

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/*

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* Make theme available for translation.

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* Translations can be filed in the /languages/ directory.

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* If you're building a theme based on Twenty Twenty, use a find and replace

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* to change 'twentytwenty' to the name of your theme in all the template files.

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*/

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load_theme_textdomain( 'twentytwenty' );

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// Add support for full and wide align images.

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add_theme_support( 'align-wide' );

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// Add support for responsive embeds.

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add_theme_support( 'responsive-embeds' );

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/*

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* Adds starter content to highlight the theme on fresh sites.

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* This is done conditionally to avoid loading the starter content on every

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* page load, as it is a one-off operation only needed once in the customizer.

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*/

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if ( is_customize_preview() ) {

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require get_template_directory() . '/inc/starter-content.php';

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add_theme_support( 'starter-content', twentytwenty_get_starter_content() );

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}

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// Add theme support for selective refresh for widgets.

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add_theme_support( 'customize-selective-refresh-widgets' );

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/*

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* Adds `async` and `defer` support for scripts registered or enqueued

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* by the theme.

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*/

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$loader = new TwentyTwenty_Script_Loader();

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add_filter( 'script_loader_tag', array( $loader, 'filter_script_loader_tag' ), 10, 2 );

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}

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add_action( 'after_setup_theme', 'twentytwenty_theme_support' );

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/**

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* REQUIRED FILES

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* Include required files.

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*/

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require get_template_directory() . '/inc/template-tags.php';

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// Handle SVG icons.

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require get_template_directory() . '/classes/class-twentytwenty-svg-icons.php';

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require get_template_directory() . '/inc/svg-icons.php';

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// Handle Customizer settings.

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require get_template_directory() . '/classes/class-twentytwenty-customize.php';

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// Require Separator Control class.

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require get_template_directory() . '/classes/class-twentytwenty-separator-control.php';

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// Custom comment walker.

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require get_template_directory() . '/classes/class-twentytwenty-walker-comment.php';

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// Custom page walker.

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require get_template_directory() . '/classes/class-twentytwenty-walker-page.php';

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// Custom script loader class.

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require get_template_directory() . '/classes/class-twentytwenty-script-loader.php';

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// Non-latin language handling.

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require get_template_directory() . '/classes/class-twentytwenty-non-latin-languages.php';

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// Custom CSS.

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require get_template_directory() . '/inc/custom-css.php';

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// Block Patterns.

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require get_template_directory() . '/inc/block-patterns.php';

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/**

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* Register and Enqueue Styles.

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*/

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function twentytwenty_register_styles() {

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$theme_version = wp_get_theme()->get( 'Version' );

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wp_enqueue_style( 'twentytwenty-style', get_stylesheet_uri(), array(), $theme_version );

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wp_style_add_data( 'twentytwenty-style', 'rtl', 'replace' );

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// Add output of Customizer settings as inline style.

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wp_add_inline_style( 'twentytwenty-style', twentytwenty_get_customizer_css( 'front-end' ) );

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// Add print CSS.

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wp_enqueue_style( 'twentytwenty-print-style', get_template_directory_uri() . '/print.css', null, $theme_version, 'print' );

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}

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add_action( 'wp_enqueue_scripts', 'twentytwenty_register_styles' );

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/**

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* Register and Enqueue Scripts.

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*/

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function twentytwenty_register_scripts() {

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$theme_version = wp_get_theme()->get( 'Version' );

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if ( ( ! is_admin() ) && is_singular() && comments_open() && get_option( 'thread_comments' ) ) {

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wp_enqueue_script( 'comment-reply' );

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}

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wp_enqueue_script( 'twentytwenty-js', get_template_directory_uri() . '/assets/js/index.js', array(), $theme_version, false );

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wp_script_add_data( 'twentytwenty-js', 'async', true );

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}

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add_action( 'wp_enqueue_scripts', 'twentytwenty_register_scripts' );

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/**

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* Fix skip link focus in IE11.

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*

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* This does not enqueue the script because it is tiny and because it is only for IE11,

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* thus it does not warrant having an entire dedicated blocking script being loaded.

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*

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* @link https://git.io/vWdr2

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*/

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function twentytwenty_skip_link_focus_fix() {

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// The following is minified via `terser --compress --mangle -- assets/js/skip-link-focus-fix.js`.

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?>

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<script>

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/(trident|msie)/i.test(navigator.userAgent)&&document.getElementById&&window.addEventListener&&window.addEventListener("hashchange",function(){var t,e=location.hash.substring(1);/^[A-z0-9_-]+$/.test(e)&&(t=document.getElementById(e))&&(/^(?:a|select|input|button|textarea)$/i.test(t.tagName)||(t.tabIndex=-1),t.focus())},!1);

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</script>

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<?php

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}

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add_action( 'wp_print_footer_scripts', 'twentytwenty_skip_link_focus_fix' );

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/** Enqueue non-latin language styles

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*

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* @since Twenty Twenty 1.0

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*

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* @return void

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*/

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function twentytwenty_non_latin_languages() {

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$custom_css = TwentyTwenty_Non_Latin_Languages::get_non_latin_css( 'front-end' );

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if ( $custom_css ) {

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wp_add_inline_style( 'twentytwenty-style', $custom_css );

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}

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}

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add_action( 'wp_enqueue_scripts', 'twentytwenty_non_latin_languages' );

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/**

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* Register navigation menus uses wp_nav_menu in five places.

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*/

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function twentytwenty_menus() {

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$locations = array(

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'primary' => __( 'Desktop Horizontal Menu', 'twentytwenty' ),

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'expanded' => __( 'Desktop Expanded Menu', 'twentytwenty' ),

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'mobile' => __( 'Mobile Menu', 'twentytwenty' ),

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'footer' => __( 'Footer Menu', 'twentytwenty' ),

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'social' => __( 'Social Menu', 'twentytwenty' ),

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);

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register_nav_menus( $locations );

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}

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add_action( 'init', 'twentytwenty_menus' );

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/**

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* Get the information about the logo.

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*

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* @param string $html The HTML output from get_custom_logo (core function).

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* @return string

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*/

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function twentytwenty_get_custom_logo( $html ) {

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$logo_id = get_theme_mod( 'custom_logo' );

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if ( ! $logo_id ) {

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return $html;

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}

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$logo = wp_get_attachment_image_src( $logo_id, 'full' );

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if ( $logo ) {

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// For clarity.

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$logo_width = esc_attr( $logo[1] );

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$logo_height = esc_attr( $logo[2] );

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// If the retina logo setting is active, reduce the width/height by half.

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if ( get_theme_mod( 'retina_logo', false ) ) {

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$logo_width = floor( $logo_width / 2 );

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$logo_height = floor( $logo_height / 2 );

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$search = array(

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'/width=\"\d+\"/iU',

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'/height=\"\d+\"/iU',

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);

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$replace = array(

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"width=\"{$logo_width}\"",

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"height=\"{$logo_height}\"",

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);

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// Add a style attribute with the height, or append the height to the style attribute if the style attribute already exists.

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if ( strpos( $html, ' style=' ) === false ) {

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$search[] = '/(src=)/';

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$replace[] = "style=\"height: {$logo_height}px;\" src=";

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} else {

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$search[] = '/(style="[^"]*)/';

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$replace[] = "$1 height: {$logo_height}px;";

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}

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$html = preg_replace( $search, $replace, $html );

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}

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}

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return $html;

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}

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add_filter( 'get_custom_logo', 'twentytwenty_get_custom_logo' );

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if ( ! function_exists( 'wp_body_open' ) ) {

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/**

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* Shim for wp_body_open, ensuring backward compatibility with versions of WordPress older than 5.2.

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*/

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function wp_body_open() {

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do_action( 'wp_body_open' );

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}

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}

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/**

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* Include a skip to content link at the top of the page so that users can bypass the menu.

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*/

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function twentytwenty_skip_link() {

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echo '<a class="skip-link screen-reader-text" href="#site-content">' . __( 'Skip to the content', 'twentytwenty' ) . '</a>';

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}

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add_action( 'wp_body_open', 'twentytwenty_skip_link', 5 );

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/**

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* Register widget areas.

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*

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* @link https://developer.wordpress.org/themes/functionality/sidebars/#registering-a-sidebar

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*/

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function twentytwenty_sidebar_registration() {

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// Arguments used in all register_sidebar() calls.

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$shared_args = array(

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'before_title' => '<h2 class="widget-title subheading heading-size-3">',

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'after_title' => '</h2>',

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'before_widget' => '<div class="widget %2$s"><div class="widget-content">',

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'after_widget' => '</div></div>',

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);

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// Footer #1.

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register_sidebar(

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array_merge(

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$shared_args,

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array(

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'name' => __( 'Footer #1', 'twentytwenty' ),

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'id' => 'sidebar-1',

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'description' => __( 'Widgets in this area will be displayed in the first column in the footer.', 'twentytwenty' ),

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)

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)

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);

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// Footer #2.

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register_sidebar(

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array_merge(

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$shared_args,

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array(

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'name' => __( 'Footer #2', 'twentytwenty' ),

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'id' => 'sidebar-2',

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'description' => __( 'Widgets in this area will be displayed in the second column in the footer.', 'twentytwenty' ),

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)

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)

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);

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}

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add_action( 'widgets_init', 'twentytwenty_sidebar_registration' );

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/**

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* Enqueue supplemental block editor styles.

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*/

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function twentytwenty_block_editor_styles() {

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// Enqueue the editor styles.

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wp_enqueue_style( 'twentytwenty-block-editor-styles', get_theme_file_uri( '/assets/css/editor-style-block.css' ), array(), wp_get_theme()->get( 'Version' ), 'all' );

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wp_style_add_data( 'twentytwenty-block-editor-styles', 'rtl', 'replace' );

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// Add inline style from the Customizer.

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wp_add_inline_style( 'twentytwenty-block-editor-styles', twentytwenty_get_customizer_css( 'block-editor' ) );

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// Add inline style for non-latin fonts.

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wp_add_inline_style( 'twentytwenty-block-editor-styles', TwentyTwenty_Non_Latin_Languages::get_non_latin_css( 'block-editor' ) );

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// Enqueue the editor script.

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wp_enqueue_script( 'twentytwenty-block-editor-script', get_theme_file_uri( '/assets/js/editor-script-block.js' ), array( 'wp-blocks', 'wp-dom' ), wp_get_theme()->get( 'Version' ), true );

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}

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add_action( 'enqueue_block_editor_assets', 'twentytwenty_block_editor_styles', 1, 1 );

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/**

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* Enqueue classic editor styles.

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*/

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function twentytwenty_classic_editor_styles() {

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$classic_editor_styles = array(

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'/assets/css/editor-style-classic.css',

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);

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add_editor_style( $classic_editor_styles );

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}

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add_action( 'init', 'twentytwenty_classic_editor_styles' );

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/**

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* Output Customizer settings in the classic editor.

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* Adds styles to the head of the TinyMCE iframe. Kudos to @Otto42 for the original solution.

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*

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* @param array $mce_init TinyMCE styles.

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* @return array TinyMCE styles.

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*/

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function twentytwenty_add_classic_editor_customizer_styles( $mce_init ) {

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$styles = twentytwenty_get_customizer_css( 'classic-editor' );

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if ( ! isset( $mce_init['content_style'] ) ) {

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$mce_init['content_style'] = $styles . ' ';

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} else {

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$mce_init['content_style'] .= ' ' . $styles . ' ';

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}

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return $mce_init;

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}

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add_filter( 'tiny_mce_before_init', 'twentytwenty_add_classic_editor_customizer_styles' );

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/**

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* Output non-latin font styles in the classic editor.

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* Adds styles to the head of the TinyMCE iframe. Kudos to @Otto42 for the original solution.

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*

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* @param array $mce_init TinyMCE styles.

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* @return array TinyMCE styles.

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*/

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function twentytwenty_add_classic_editor_non_latin_styles( $mce_init ) {

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$styles = TwentyTwenty_Non_Latin_Languages::get_non_latin_css( 'classic-editor' );

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// Return if there are no styles to add.

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if ( ! $styles ) {

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return $mce_init;

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}

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if ( ! isset( $mce_init['content_style'] ) ) {

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$mce_init['content_style'] = $styles . ' ';

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} else {

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$mce_init['content_style'] .= ' ' . $styles . ' ';

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}

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return $mce_init;

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}

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add_filter( 'tiny_mce_before_init', 'twentytwenty_add_classic_editor_non_latin_styles' );

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[477] Fix | Delete

/**

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* Block Editor Settings.

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* Add custom colors and font sizes to the block editor.

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*/

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function twentytwenty_block_editor_settings() {

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// Block Editor Palette.

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$editor_color_palette = array(

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array(

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'name' => __( 'Accent Color', 'twentytwenty' ),

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'slug' => 'accent',

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'color' => twentytwenty_get_color_for_area( 'content', 'accent' ),

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),

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array(

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'name' => _x( 'Primary', 'color', 'twentytwenty' ),

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'slug' => 'primary',

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'color' => twentytwenty_get_color_for_area( 'content', 'text' ),

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),

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array(

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'name' => _x( 'Secondary', 'color', 'twentytwenty' ),

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'slug' => 'secondary',

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'color' => twentytwenty_get_color_for_area( 'content', 'secondary' ),

[499] Fix | Delete