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Edit File: functions.php
<?php /** * Twenty Fifteen functions and definitions * * Set up the theme and provides some helper functions, which are used in the * theme as custom template tags. Others are attached to action and filter * hooks in WordPress to change core functionality. * * When using a child theme you can override certain functions (those wrapped * in a function_exists() call) by defining them first in your child theme's * functions.php file. The child theme's functions.php file is included before * the parent theme's file, so the child theme functions would be used. * * @link https://developer.wordpress.org/themes/basics/theme-functions/ * @link https://developer.wordpress.org/themes/advanced-topics/child-themes/ * * Functions that are not pluggable (not wrapped in function_exists()) are * instead attached to a filter or action hook. * * For more information on hooks, actions, and filters, * {@link https://developer.wordpress.org/plugins/} * * @package WordPress * @subpackage Twenty_Fifteen * @since Twenty Fifteen 1.0 */ /** * Set the content width based on the theme's design and stylesheet. * * @since Twenty Fifteen 1.0 */ if ( ! isset( $content_width ) ) { $content_width = 660; } /** * Twenty Fifteen only works in WordPress 4.1 or later. */ if ( version_compare( $GLOBALS['wp_version'], '4.1-alpha', '<' ) ) { require get_template_directory() . '/inc/back-compat.php'; } if ( ! function_exists( 'twentyfifteen_setup' ) ) : /** * Sets up theme defaults and registers support for various WordPress features. * * Note that this function is hooked into the after_setup_theme hook, which * runs before the init hook. The init hook is too late for some features, such * as indicating support for post thumbnails. * * @since Twenty Fifteen 1.0 */ function twentyfifteen_setup() { /* * Make theme available for translation. * Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentyfifteen * If you're building a theme based on twentyfifteen, use a find and replace * to change 'twentyfifteen' to the name of your theme in all the template files. * * Manual loading of text domain is not required after the introduction of * just in time translation loading in WordPress version 4.6. * * @ticket 58318 */ if ( version_compare( $GLOBALS['wp_version'], '4.6', '<' ) ) { load_theme_textdomain( 'twentyfifteen' ); } // Add default posts and comments RSS feed links to head. add_theme_support( 'automatic-feed-links' ); /* * Let WordPress manage the document title. * By adding theme support, we declare that this theme does not use a * hard-coded <title> tag in the document head, and expect WordPress to * provide it for us. */ add_theme_support( 'title-tag' ); /* * Enable support for Post Thumbnails on posts and pages. * * See: https://developer.wordpress.org/reference/functions/add_theme_support/#post-thumbnails */ add_theme_support( 'post-thumbnails' ); set_post_thumbnail_size( 825, 510, true ); // This theme uses wp_nav_menu() in two locations. register_nav_menus( array( 'primary' => __( 'Primary Menu', 'twentyfifteen' ), 'social' => __( 'Social Links Menu', 'twentyfifteen' ), ) ); /* * Switch default core markup for search form, comment form, and comments * to output valid HTML5. */ add_theme_support( 'html5', array( 'search-form', 'comment-form', 'comment-list', 'gallery', 'caption', 'script', 'style', 'navigation-widgets', ) ); /* * Enable support for Post Formats. * * See: https://developer.wordpress.org/advanced-administration/wordpress/post-formats/ */ add_theme_support( 'post-formats', array( 'aside', 'image', 'video', 'quote', 'link', 'gallery', 'status', 'audio', 'chat', ) ); /* * Enable support for custom logo. * * @since Twenty Fifteen 1.5 */ add_theme_support( 'custom-logo', array( 'height' => 248, 'width' => 248, 'flex-height' => true, ) ); $color_scheme = twentyfifteen_get_color_scheme(); $default_color = trim( $color_scheme[0], '#' ); // Setup the WordPress core custom background feature. add_theme_support( 'custom-background', /** * Filters Twenty Fifteen custom-background support arguments. * * @since Twenty Fifteen 1.0 * * @param array $args { * An array of custom-background support arguments. * * @type string $default-color Default color of the background. * @type string $default-attachment Default attachment of the background. * } */ apply_filters( 'twentyfifteen_custom_background_args', array( 'default-color' => $default_color, 'default-attachment' => 'fixed', ) ) ); /* * This theme styles the visual editor to resemble the theme style, * specifically font, colors, icons, and column width. When fonts are * self-hosted, the theme directory needs to be removed first. */ $font_stylesheet = str_replace( array( get_template_directory_uri() . '/', get_stylesheet_directory_uri() . '/' ), '', (string) twentyfifteen_fonts_url() ); add_editor_style( array( 'css/editor-style.css', 'genericons/genericons.css', $font_stylesheet ) ); // Load regular editor styles into the new block-based editor. add_theme_support( 'editor-styles' ); // Load default block styles. add_theme_support( 'wp-block-styles' ); // Add support for responsive embeds. add_theme_support( 'responsive-embeds' ); // Add support for custom color scheme. add_theme_support( 'editor-color-palette', array( array( 'name' => __( 'Dark Gray', 'twentyfifteen' ), 'slug' => 'dark-gray', 'color' => '#111', ), array( 'name' => __( 'Light Gray', 'twentyfifteen' ), 'slug' => 'light-gray', 'color' => '#f1f1f1', ), array( 'name' => __( 'White', 'twentyfifteen' ), 'slug' => 'white', 'color' => '#fff', ), array( 'name' => __( 'Yellow', 'twentyfifteen' ), 'slug' => 'yellow', 'color' => '#f4ca16', ), array( 'name' => __( 'Dark Brown', 'twentyfifteen' ), 'slug' => 'dark-brown', 'color' => '#352712', ), array( 'name' => __( 'Medium Pink', 'twentyfifteen' ), 'slug' => 'medium-pink', 'color' => '#e53b51', ), array( 'name' => __( 'Light Pink', 'twentyfifteen' ), 'slug' => 'light-pink', 'color' => '#ffe5d1', ), array( 'name' => __( 'Dark Purple', 'twentyfifteen' ), 'slug' => 'dark-purple', 'color' => '#2e2256', ), array( 'name' => __( 'Purple', 'twentyfifteen' ), 'slug' => 'purple', 'color' => '#674970', ), array( 'name' => __( 'Blue Gray', 'twentyfifteen' ), 'slug' => 'blue-gray', 'color' => '#22313f', ), array( 'name' => __( 'Bright Blue', 'twentyfifteen' ), 'slug' => 'bright-blue', 'color' => '#55c3dc', ), array( 'name' => __( 'Light Blue', 'twentyfifteen' ), 'slug' => 'light-blue', 'color' => '#e9f2f9', ), ) ); // Add support for custom color scheme. add_theme_support( 'editor-gradient-presets', array( array( 'name' => __( 'Dark Gray Gradient', 'twentyfifteen' ), 'slug' => 'dark-gray-gradient-gradient', 'gradient' => 'linear-gradient(90deg, rgba(17,17,17,1) 0%, rgba(42,42,42,1) 100%)', ), array( 'name' => __( 'Light Gray Gradient', 'twentyfifteen' ), 'slug' => 'light-gray-gradient', 'gradient' => 'linear-gradient(90deg, rgba(241,241,241,1) 0%, rgba(215,215,215,1) 100%)', ), array( 'name' => __( 'White Gradient', 'twentyfifteen' ), 'slug' => 'white-gradient', 'gradient' => 'linear-gradient(90deg, rgba(255,255,255,1) 0%, rgba(230,230,230,1) 100%)', ), array( 'name' => __( 'Yellow Gradient', 'twentyfifteen' ), 'slug' => 'yellow-gradient', 'gradient' => 'linear-gradient(90deg, rgba(244,202,22,1) 0%, rgba(205,168,10,1) 100%)', ), array( 'name' => __( 'Dark Brown Gradient', 'twentyfifteen' ), 'slug' => 'dark-brown-gradient', 'gradient' => 'linear-gradient(90deg, rgba(53,39,18,1) 0%, rgba(91,67,31,1) 100%)', ), array( 'name' => __( 'Medium Pink Gradient', 'twentyfifteen' ), 'slug' => 'medium-pink-gradient', 'gradient' => 'linear-gradient(90deg, rgba(229,59,81,1) 0%, rgba(209,28,51,1) 100%)', ), array( 'name' => __( 'Light Pink Gradient', 'twentyfifteen' ), 'slug' => 'light-pink-gradient', 'gradient' => 'linear-gradient(90deg, rgba(255,229,209,1) 0%, rgba(255,200,158,1) 100%)', ), array( 'name' => __( 'Dark Purple Gradient', 'twentyfifteen' ), 'slug' => 'dark-purple-gradient', 'gradient' => 'linear-gradient(90deg, rgba(46,34,86,1) 0%, rgba(66,48,123,1) 100%)', ), array( 'name' => __( 'Purple Gradient', 'twentyfifteen' ), 'slug' => 'purple-gradient', 'gradient' => 'linear-gradient(90deg, rgba(103,73,112,1) 0%, rgba(131,93,143,1) 100%)', ), array( 'name' => __( 'Blue Gray Gradient', 'twentyfifteen' ), 'slug' => 'blue-gray-gradient', 'gradient' => 'linear-gradient(90deg, rgba(34,49,63,1) 0%, rgba(52,75,96,1) 100%)', ), array( 'name' => __( 'Bright Blue Gradient', 'twentyfifteen' ), 'slug' => 'bright-blue-gradient', 'gradient' => 'linear-gradient(90deg, rgba(85,195,220,1) 0%, rgba(43,180,211,1) 100%)', ), array( 'name' => __( 'Light Blue Gradient', 'twentyfifteen' ), 'slug' => 'light-blue-gradient', 'gradient' => 'linear-gradient(90deg, rgba(233,242,249,1) 0%, rgba(193,218,238,1) 100%)', ), ) ); // Indicate widget sidebars can use selective refresh in the Customizer. add_theme_support( 'customize-selective-refresh-widgets' ); } endif; // twentyfifteen_setup() add_action( 'after_setup_theme', 'twentyfifteen_setup' ); /** * Register widget area. * * @since Twenty Fifteen 1.0 * * @link https://developer.wordpress.org/reference/functions/register_sidebar/ */ function twentyfifteen_widgets_init() { register_sidebar( array( 'name' => __( 'Widget Area', 'twentyfifteen' ), 'id' => 'sidebar-1', 'description' => __( 'Add widgets here to appear in your sidebar.', 'twentyfifteen' ), 'before_widget' => '<aside id="%1$s" class="widget %2$s">', 'after_widget' => '</aside>', 'before_title' => '<h2 class="widget-title">', 'after_title' => '</h2>', ) ); } add_action( 'widgets_init', 'twentyfifteen_widgets_init' ); if ( ! function_exists( 'twentyfifteen_fonts_url' ) ) : /** * Register fonts for Twenty Fifteen. * * @since Twenty Fifteen 1.0 * @since Twenty Fifteen 3.4 Replaced Google URL with self-hosted fonts. * * @return string Fonts URL for the theme. */ function twentyfifteen_fonts_url() { $fonts_url = ''; $fonts = array(); /* * translators: If there are characters in your language that are not supported * by Noto Sans, translate this to 'off'. Do not translate into your own language. */ if ( 'off' !== _x( 'on', 'Noto Sans font: on or off', 'twentyfifteen' ) ) { $fonts[] = 'noto-sans'; } /* * translators: If there are characters in your language that are not supported * by Noto Serif, translate this to 'off'. Do not translate into your own language. */ if ( 'off' !== _x( 'on', 'Noto Serif font: on or off', 'twentyfifteen' ) ) { $fonts[] = 'noto-serif'; } /* * translators: If there are characters in your language that are not supported * by Inconsolata, translate this to 'off'. Do not translate into your own language. */ if ( 'off' !== _x( 'on', 'Inconsolata font: on or off', 'twentyfifteen' ) ) { $fonts[] = 'inconsolata'; } if ( $fonts ) { $fonts_url = get_template_directory_uri() . '/assets/fonts/' . implode( '-plus-', $fonts ) . '.css'; } return $fonts_url; } endif; /** * JavaScript Detection. * * Adds a `js` class to the root `<html>` element when JavaScript is detected. * * @since Twenty Fifteen 1.1 */ function twentyfifteen_javascript_detection() { echo "<script>(function(html){html.className = html.className.replace(/\bno-js\b/,'js')})(document.documentElement);</script>\n"; } add_action( 'wp_head', 'twentyfifteen_javascript_detection', 0 ); /** * Enqueue scripts and styles. * * @since Twenty Fifteen 1.0 */ function twentyfifteen_scripts() { // Add custom fonts, used in the main stylesheet. $font_version = ( 0 === strpos( (string) twentyfifteen_fonts_url(), get_template_directory_uri() . '/' ) ) ? '20230328' : null; wp_enqueue_style( 'twentyfifteen-fonts', twentyfifteen_fonts_url(), array(), $font_version ); // Add Genericons, used in the main stylesheet. wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '20201026' ); // Load our main stylesheet. wp_enqueue_style( 'twentyfifteen-style', get_stylesheet_uri(), array(), '20241112' ); // Theme block stylesheet. wp_enqueue_style( 'twentyfifteen-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentyfifteen-style' ), '20240715' ); // Register the Internet Explorer specific stylesheet. wp_register_style( 'twentyfifteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentyfifteen-style' ), '20220908' ); wp_style_add_data( 'twentyfifteen-ie', 'conditional', 'lt IE 9' ); // Register the Internet Explorer 7 specific stylesheet. wp_register_style( 'twentyfifteen-ie7', get_template_directory_uri() . '/css/ie7.css', array( 'twentyfifteen-style' ), '20141210' ); wp_style_add_data( 'twentyfifteen-ie7', 'conditional', 'lt IE 8' ); // Skip-link fix is no longer enqueued by default. wp_register_script( 'twentyfifteen-skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array(), '20230526', array( 'in_footer' => true ) ); if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) { wp_enqueue_script( 'comment-reply' ); } if ( is_singular() && wp_attachment_is_image() ) { wp_enqueue_script( 'twentyfifteen-keyboard-image-navigation', get_template_directory_uri() . '/js/keyboard-image-navigation.js', array( 'jquery' ), '20141210' ); } wp_enqueue_script( 'twentyfifteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20221101', array( 'in_footer' => false, // Because involves header. 'strategy' => 'defer', ) ); wp_localize_script( 'twentyfifteen-script', 'screenReaderText', array( /* translators: Hidden accessibility text. */ 'expand' => '<span class="screen-reader-text">' . __( 'expand child menu', 'twentyfifteen' ) . '</span>', /* translators: Hidden accessibility text. */ 'collapse' => '<span class="screen-reader-text">' . __( 'collapse child menu', 'twentyfifteen' ) . '</span>', ) ); } add_action( 'wp_enqueue_scripts', 'twentyfifteen_scripts' ); /** * Enqueue styles for the block-based editor. * * @since Twenty Fifteen 2.1 */ function twentyfifteen_block_editor_styles() { // Block styles. wp_enqueue_style( 'twentyfifteen-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '20240720' ); // Add custom fonts. $font_version = ( 0 === strpos( (string) twentyfifteen_fonts_url(), get_template_directory_uri() . '/' ) ) ? '20230328' : null; wp_enqueue_style( 'twentyfifteen-fonts', twentyfifteen_fonts_url(), array(), $font_version ); } add_action( 'enqueue_block_editor_assets', 'twentyfifteen_block_editor_styles' ); /** * Add preconnect for Google Fonts. * * @since Twenty Fifteen 1.7 * @deprecated Twenty Fifteen 3.4 Disabled filter because, by default, fonts are self-hosted. * * @param array $urls URLs to print for resource hints. * @param string $relation_type The relation type the URLs are printed. * @return array URLs to print for resource hints. */ function twentyfifteen_resource_hints( $urls, $relation_type ) { if ( wp_style_is( 'twentyfifteen-fonts', 'queue' ) && 'preconnect' === $relation_type ) { if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) { $urls[] = array( 'href' => 'https://fonts.gstatic.com', 'crossorigin', ); } else { $urls[] = 'https://fonts.gstatic.com'; } } return $urls; } // add_filter( 'wp_resource_hints', 'twentyfifteen_resource_hints', 10, 2 ); /** * Add featured image as background image to post navigation elements. * * @since Twenty Fifteen 1.0 * * @see wp_add_inline_style() */ function twentyfifteen_post_nav_background() { if ( ! is_single() ) { return; } $previous = ( is_attachment() ) ? get_post( get_post()->post_parent ) : get_adjacent_post( false, '', true ); $next = get_adjacent_post( false, '', false ); $css = ''; if ( is_attachment() && 'attachment' === $previous->post_type ) { return; } if ( $previous && has_post_thumbnail( $previous->ID ) ) { $prevthumb = wp_get_attachment_image_src( get_post_thumbnail_id( $previous->ID ), 'post-thumbnail' ); $css .= ' .post-navigation .nav-previous { background-image: url(' . esc_url( $prevthumb[0] ) . '); } .post-navigation .nav-previous .post-title, .post-navigation .nav-previous a:hover .post-title, .post-navigation .nav-previous .meta-nav { color: #fff; } .post-navigation .nav-previous a:before { background-color: rgba(0, 0, 0, 0.4); } '; } if ( $next && has_post_thumbnail( $next->ID ) ) { $nextthumb = wp_get_attachment_image_src( get_post_thumbnail_id( $next->ID ), 'post-thumbnail' ); $css .= ' .post-navigation .nav-next { background-image: url(' . esc_url( $nextthumb[0] ) . '); border-top: 0; } .post-navigation .nav-next .post-title, .post-navigation .nav-next a:hover .post-title, .post-navigation .nav-next .meta-nav { color: #fff; } .post-navigation .nav-next a:before { background-color: rgba(0, 0, 0, 0.4); } '; } wp_add_inline_style( 'twentyfifteen-style', $css ); } add_action( 'wp_enqueue_scripts', 'twentyfifteen_post_nav_background' ); /** * Display descriptions in main navigation. * * @since Twenty Fifteen 1.0 * * @param string $item_output The menu item's starting HTML output. * @param WP_Post $item Menu item data object. * @param int $depth Depth of the menu. Used for padding. * @param stdClass $args An object of wp_nav_menu() arguments. * @return string Menu item with possible description. */ function twentyfifteen_nav_description( $item_output, $item, $depth, $args ) { if ( 'primary' === $args->theme_location && $item->description ) { $item_output = str_replace( $args->link_after . '</a>', '<div class="menu-item-description">' . $item->description . '</div>' . $args->link_after . '</a>', $item_output ); } return $item_output; } add_filter( 'walker_nav_menu_start_el', 'twentyfifteen_nav_description', 10, 4 ); /** * Add a `screen-reader-text` class to the search form's submit button. * * @since Twenty Fifteen 1.0 * * @param string $html Search form HTML. * @return string Modified search form HTML. */ function twentyfifteen_search_form_modify( $html ) { return str_replace( 'class="search-submit"', 'class="search-submit screen-reader-text"', $html ); } add_filter( 'get_search_form', 'twentyfifteen_search_form_modify' ); /** * Modifies tag cloud widget arguments to display all tags in the same font size * and use list format for better accessibility. * * @since Twenty Fifteen 1.9 * * @param array $args Arguments for tag cloud widget. * @return array The filtered arguments for tag cloud widget. */ function twentyfifteen_widget_tag_cloud_args( $args ) { $args['largest'] = 22; $args['smallest'] = 8; $args['unit'] = 'pt'; $args['format'] = 'list'; return $args; } add_filter( 'widget_tag_cloud_args', 'twentyfifteen_widget_tag_cloud_args' ); /** * Prevents `author-bio.php` partial template from interfering with rendering * an author archive of a user with the `bio` username. * * @since Twenty Fifteen 2.6 * * @param string $template Template file. * @return string Replacement template file. */ function twentyfifteen_author_bio_template( $template ) { if ( is_author() ) { $author = get_queried_object(); if ( $author instanceof WP_User && 'bio' === $author->user_nicename ) { // Use author templates if exist, fall back to template hierarchy otherwise. return locate_template( array( "author-{$author->ID}.php", 'author.php' ) ); } } return $template; } add_filter( 'author_template', 'twentyfifteen_author_bio_template' ); /** * Implement the Custom Header feature. * * @since Twenty Fifteen 1.0 */ require get_template_directory() . '/inc/custom-header.php'; /** * Custom template tags for this theme. * * @since Twenty Fifteen 1.0 */ require get_template_directory() . '/inc/template-tags.php'; /** * Customizer additions. * * @since Twenty Fifteen 1.0 */ require get_template_directory() . '/inc/customizer.php'; /** * Register block patterns and pattern categories. * * @since Twenty Fifteen 3.9 */ function twentyfifteen_register_block_patterns() { require get_template_directory() . '/inc/block-patterns.php'; } add_action( 'init', 'twentyfifteen_register_block_patterns' );
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