View file File name : functions.php Content :<?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://codex.wordpress.org/Theme_Development * @link https://codex.wordpress.org/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://codex.wordpress.org/Plugin_API} * * @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 */ 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://codex.wordpress.org/Function_Reference/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', ) ); /* * Enable support for Post Formats. * * See: https://codex.wordpress.org/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. /** * Filter Twenty Fifteen custom-header support arguments. * * @since Twenty Fifteen 1.0 * * @param array $args { * An array of custom-header support arguments. * * @type string $default-color Default color of the header. * @type string $default-attachment Default attachment of the header. * } */ add_theme_support( 'custom-background', apply_filters( 'twentyfifteen_custom_background_args', array( 'default-color' => $default_color, 'default-attachment' => 'fixed', ) ) ); /* * This theme styles the visual editor to resemble the theme style, * specifically font, colors, icons, and column width. */ add_editor_style( array( 'css/editor-style.css', 'genericons/genericons.css', twentyfifteen_fonts_url() ) ); // Indicate widget sidebars can use selective refresh in the Customizer. add_theme_support( 'customize-selective-refresh-widgets' ); } endif; // twentyfifteen_setup add_action( 'after_setup_theme', 'twentyfifteen_setup' ); /** * Register widget area. * * @since Twenty Fifteen 1.0 * * @link https://codex.wordpress.org/Function_Reference/register_sidebar */ function twentyfifteen_widgets_init() { register_sidebar( array( 'name' => __( 'Widget Area', 'twentyfifteen' ), 'id' => 'sidebar-1', 'description' => __( 'Add widgets here to appear in your sidebar.', 'twentyfifteen' ), 'before_widget' => '<aside id="%1$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 Google fonts for Twenty Fifteen. * * @since Twenty Fifteen 1.0 * * @return string Google fonts URL for the theme. */ function twentyfifteen_fonts_url() { $fonts_url = ''; $fonts = array(); $subsets = 'latin,latin-ext'; /* * 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:400italic,700italic,400,700'; } /* * 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:400italic,700italic,400,700'; } /* * 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:400,700'; } /* * Translators: To add an additional character subset specific to your language, * translate this to 'greek', 'cyrillic', 'devanagari' or 'vietnamese'. Do not translate into your own language. */ $subset = _x( 'no-subset', 'Add new subset (greek, cyrillic, devanagari, vietnamese)', 'twentyfifteen' ); if ( 'cyrillic' == $subset ) { $subsets .= ',cyrillic,cyrillic-ext'; } elseif ( 'greek' == $subset ) { $subsets .= ',greek,greek-ext'; } elseif ( 'devanagari' == $subset ) { $subsets .= ',devanagari'; } elseif ( 'vietnamese' == $subset ) { $subsets .= ',vietnamese'; } if ( $fonts ) { $fonts_url = add_query_arg( array( 'family' => urlencode( implode( '|', $fonts ) ), 'subset' => urlencode( $subsets ), ), 'https://fonts.googleapis.com/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. wp_enqueue_style( 'twentyfifteen-fonts', twentyfifteen_fonts_url(), array(), null ); // Add Genericons, used in the main stylesheet. wp_enqueue_style( 'genericons', get_template_directory_uri() . '/genericons/genericons.css', array(), '3.2' ); // Load our main stylesheet. wp_enqueue_style( 'twentyfifteen-style', get_stylesheet_uri() ); // Load the Internet Explorer specific stylesheet. wp_enqueue_style( 'twentyfifteen-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentyfifteen-style' ), '20141010' ); wp_style_add_data( 'twentyfifteen-ie', 'conditional', 'lt IE 9' ); // Load the Internet Explorer 7 specific stylesheet. wp_enqueue_style( 'twentyfifteen-ie7', get_template_directory_uri() . '/css/ie7.css', array( 'twentyfifteen-style' ), '20141010' ); wp_style_add_data( 'twentyfifteen-ie7', 'conditional', 'lt IE 8' ); wp_enqueue_script( 'twentyfifteen-skip-link-focus-fix', get_template_directory_uri() . '/js/skip-link-focus-fix.js', array(), '20141010', 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' ), '20141010' ); } wp_enqueue_script( 'twentyfifteen-script', get_template_directory_uri() . '/js/functions.js', array( 'jquery' ), '20150330', true ); wp_localize_script( 'twentyfifteen-script', 'screenReaderText', array( 'expand' => '<span class="screen-reader-text">' . __( 'expand child menu', 'twentyfifteen' ) . '</span>', 'collapse' => '<span class="screen-reader-text">' . __( 'collapse child menu', 'twentyfifteen' ) . '</span>', ) ); } add_action( 'wp_enqueue_scripts', 'twentyfifteen_scripts' ); /** * Add preconnect for Google Fonts. * * @since Twenty Fifteen 1.7 * * @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 output. * @param WP_Post $item Menu item object. * @param int $depth Depth of the menu. * @param array $args 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' ); /** * 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';