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When existing scripts or styles are updated in default themes, the version numbers in the enqueues should also be bumped to make sure the old files don't cache. This update bumps version numbers for changes since version 5.0, for themes Twenty Eleven through Twenty Nineteen. Props laurelfulford. Merges [44382] to the 5.0 branch. Fixes #45679. Built from https://develop.svn.wordpress.org/branches/5.0@44434 git-svn-id: http://core.svn.wordpress.org/branches/5.0@44265 1a063a9b-81f0-0310-95a4-ce76da25c4cd
636 lines
21 KiB
PHP
636 lines
21 KiB
PHP
<?php
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/**
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* Twenty Twelve functions and definitions
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*
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* Sets up the theme and provides some helper functions, which are used
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* in the theme as custom template tags. Others are attached to action and
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* filter hooks in WordPress to change core functionality.
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*
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* When using a child theme (see https://codex.wordpress.org/Theme_Development and
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* https://codex.wordpress.org/Child_Themes), you can override certain functions
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* (those wrapped in a function_exists() call) by defining them first in your child theme's
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* functions.php file. The child theme's functions.php file is included before the parent
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* theme's file, so the child theme functions would be used.
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*
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* Functions that are not pluggable (not wrapped in function_exists()) are instead attached
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* to a filter or action hook.
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*
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* For more information on hooks, actions, and filters, @link https://codex.wordpress.org/Plugin_API
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*
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* @package WordPress
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* @subpackage Twenty_Twelve
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* @since Twenty Twelve 1.0
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*/
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// Set up the content width value based on the theme's design and stylesheet.
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if ( ! isset( $content_width ) )
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$content_width = 625;
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/**
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* Twenty Twelve setup.
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*
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* Sets up theme defaults and registers the various WordPress features that
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* Twenty Twelve supports.
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*
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* @uses load_theme_textdomain() For translation/localization support.
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* @uses add_editor_style() To add a Visual Editor stylesheet.
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* @uses add_theme_support() To add support for post thumbnails, automatic feed links,
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* custom background, and post formats.
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* @uses register_nav_menu() To add support for navigation menus.
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* @uses set_post_thumbnail_size() To set a custom post thumbnail size.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_setup() {
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/*
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* Makes Twenty Twelve available for translation.
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*
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* Translations can be filed at WordPress.org. See: https://translate.wordpress.org/projects/wp-themes/twentytwelve
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* If you're building a theme based on Twenty Twelve, use a find and replace
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* to change 'twentytwelve' to the name of your theme in all the template files.
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*/
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load_theme_textdomain( 'twentytwelve' );
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// This theme styles the visual editor with editor-style.css to match the theme style.
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add_editor_style();
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// Load regular editor styles into the new block-based editor.
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add_theme_support( 'editor-styles' );
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// Load default block styles.
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add_theme_support( 'wp-block-styles' );
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// Add support for responsive embeds.
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add_theme_support( 'responsive-embeds' );
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// Add support for custom color scheme.
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add_theme_support( 'editor-color-palette', array(
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array(
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'name' => __( 'Blue', 'twentytwelve' ),
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'slug' => 'blue',
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'color' => '#21759b',
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),
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array(
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'name' => __( 'Dark Gray', 'twentytwelve' ),
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'slug' => 'dark-gray',
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'color' => '#444',
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),
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array(
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'name' => __( 'Medium Gray', 'twentytwelve' ),
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'slug' => 'medium-gray',
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'color' => '#9f9f9f',
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),
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array(
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'name' => __( 'Light Gray', 'twentytwelve' ),
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'slug' => 'light-gray',
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'color' => '#e6e6e6',
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),
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array(
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'name' => __( 'White', 'twentytwelve' ),
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'slug' => 'white',
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'color' => '#fff',
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),
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) );
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// Adds RSS feed links to <head> for posts and comments.
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add_theme_support( 'automatic-feed-links' );
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// This theme supports a variety of post formats.
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add_theme_support( 'post-formats', array( 'aside', 'image', 'link', 'quote', 'status' ) );
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// This theme uses wp_nav_menu() in one location.
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register_nav_menu( 'primary', __( 'Primary Menu', 'twentytwelve' ) );
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/*
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* This theme supports custom background color and image,
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* and here we also set up the default background color.
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*/
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add_theme_support( 'custom-background', array(
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'default-color' => 'e6e6e6',
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) );
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// This theme uses a custom image size for featured images, displayed on "standard" posts.
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add_theme_support( 'post-thumbnails' );
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set_post_thumbnail_size( 624, 9999 ); // Unlimited height, soft crop
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// Indicate widget sidebars can use selective refresh in the Customizer.
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add_theme_support( 'customize-selective-refresh-widgets' );
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}
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add_action( 'after_setup_theme', 'twentytwelve_setup' );
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/**
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* Add support for a custom header image.
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*/
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require( get_template_directory() . '/inc/custom-header.php' );
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/**
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* Return the Google font stylesheet URL if available.
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*
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* The use of Open Sans by default is localized. For languages that use
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* characters not supported by the font, the font can be disabled.
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*
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* @since Twenty Twelve 1.2
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*
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* @return string Font stylesheet or empty string if disabled.
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*/
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function twentytwelve_get_font_url() {
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$font_url = '';
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/* translators: If there are characters in your language that are not supported
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* by Open Sans, translate this to 'off'. Do not translate into your own language.
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*/
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if ( 'off' !== _x( 'on', 'Open Sans font: on or off', 'twentytwelve' ) ) {
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$subsets = 'latin,latin-ext';
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/* translators: To add an additional Open Sans character subset specific to your language,
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* translate this to 'greek', 'cyrillic' or 'vietnamese'. Do not translate into your own language.
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*/
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$subset = _x( 'no-subset', 'Open Sans font: add new subset (greek, cyrillic, vietnamese)', 'twentytwelve' );
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if ( 'cyrillic' == $subset )
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$subsets .= ',cyrillic,cyrillic-ext';
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elseif ( 'greek' == $subset )
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$subsets .= ',greek,greek-ext';
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elseif ( 'vietnamese' == $subset )
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$subsets .= ',vietnamese';
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$query_args = array(
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'family' => 'Open+Sans:400italic,700italic,400,700',
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'subset' => $subsets,
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);
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$font_url = add_query_arg( $query_args, 'https://fonts.googleapis.com/css' );
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}
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return $font_url;
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}
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/**
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* Enqueue scripts and styles for front end.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_scripts_styles() {
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global $wp_styles;
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/*
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* Adds JavaScript to pages with the comment form to support
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* sites with threaded comments (when in use).
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*/
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if ( is_singular() && comments_open() && get_option( 'thread_comments' ) )
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wp_enqueue_script( 'comment-reply' );
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// Adds JavaScript for handling the navigation menu hide-and-show behavior.
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wp_enqueue_script( 'twentytwelve-navigation', get_template_directory_uri() . '/js/navigation.js', array( 'jquery' ), '20140711', true );
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$font_url = twentytwelve_get_font_url();
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if ( ! empty( $font_url ) )
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wp_enqueue_style( 'twentytwelve-fonts', esc_url_raw( $font_url ), array(), null );
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// Loads our main stylesheet.
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wp_enqueue_style( 'twentytwelve-style', get_stylesheet_uri() );
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// Theme block stylesheet.
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wp_enqueue_style( 'twentytwelve-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentytwelve-style' ), '20181230' );
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// Loads the Internet Explorer specific stylesheet.
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wp_enqueue_style( 'twentytwelve-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentytwelve-style' ), '20121010' );
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$wp_styles->add_data( 'twentytwelve-ie', 'conditional', 'lt IE 9' );
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}
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add_action( 'wp_enqueue_scripts', 'twentytwelve_scripts_styles' );
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/**
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* Enqueue styles for the block-based editor.
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*
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* @since Twenty Twelve 2.6
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*/
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function twentytwelve_block_editor_styles() {
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// Block styles.
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wp_enqueue_style( 'twentytwelve-block-editor-style', get_template_directory_uri() . '/css/editor-blocks.css', array(), '20181230' );
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// Add custom fonts.
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wp_enqueue_style( 'twentytwelve-fonts', twentytwelve_get_font_url(), array(), null );
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}
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add_action( 'enqueue_block_editor_assets', 'twentytwelve_block_editor_styles' );
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/**
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* Add preconnect for Google Fonts.
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*
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* @since Twenty Twelve 2.2
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*
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* @param array $urls URLs to print for resource hints.
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* @param string $relation_type The relation type the URLs are printed.
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* @return array URLs to print for resource hints.
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*/
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function twentytwelve_resource_hints( $urls, $relation_type ) {
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if ( wp_style_is( 'twentytwelve-fonts', 'queue' ) && 'preconnect' === $relation_type ) {
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if ( version_compare( $GLOBALS['wp_version'], '4.7-alpha', '>=' ) ) {
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$urls[] = array(
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'href' => 'https://fonts.gstatic.com',
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'crossorigin',
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);
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} else {
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$urls[] = 'https://fonts.gstatic.com';
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}
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}
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return $urls;
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}
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add_filter( 'wp_resource_hints', 'twentytwelve_resource_hints', 10, 2 );
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/**
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* Filter TinyMCE CSS path to include Google Fonts.
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*
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* Adds additional stylesheets to the TinyMCE editor if needed.
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*
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* @uses twentytwelve_get_font_url() To get the Google Font stylesheet URL.
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*
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* @since Twenty Twelve 1.2
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*
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* @param string $mce_css CSS path to load in TinyMCE.
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* @return string Filtered CSS path.
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*/
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function twentytwelve_mce_css( $mce_css ) {
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$font_url = twentytwelve_get_font_url();
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if ( empty( $font_url ) )
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return $mce_css;
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if ( ! empty( $mce_css ) )
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$mce_css .= ',';
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$mce_css .= esc_url_raw( str_replace( ',', '%2C', $font_url ) );
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return $mce_css;
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}
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add_filter( 'mce_css', 'twentytwelve_mce_css' );
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/**
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* Filter the page title.
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*
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* Creates a nicely formatted and more specific title element text
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* for output in head of document, based on current view.
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*
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* @since Twenty Twelve 1.0
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*
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* @param string $title Default title text for current view.
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* @param string $sep Optional separator.
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* @return string Filtered title.
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*/
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function twentytwelve_wp_title( $title, $sep ) {
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global $paged, $page;
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if ( is_feed() )
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return $title;
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// Add the site name.
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$title .= get_bloginfo( 'name', 'display' );
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// Add the site description for the home/front page.
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$site_description = get_bloginfo( 'description', 'display' );
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if ( $site_description && ( is_home() || is_front_page() ) )
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$title = "$title $sep $site_description";
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// Add a page number if necessary.
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if ( ( $paged >= 2 || $page >= 2 ) && ! is_404() )
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$title = "$title $sep " . sprintf( __( 'Page %s', 'twentytwelve' ), max( $paged, $page ) );
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return $title;
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}
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add_filter( 'wp_title', 'twentytwelve_wp_title', 10, 2 );
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/**
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* Filter the page menu arguments.
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*
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* Makes our wp_nav_menu() fallback -- wp_page_menu() -- show a home link.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_page_menu_args( $args ) {
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if ( ! isset( $args['show_home'] ) )
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$args['show_home'] = true;
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return $args;
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}
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add_filter( 'wp_page_menu_args', 'twentytwelve_page_menu_args' );
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/**
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* Register sidebars.
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*
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* Registers our main widget area and the front page widget areas.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_widgets_init() {
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register_sidebar( array(
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'name' => __( 'Main Sidebar', 'twentytwelve' ),
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'id' => 'sidebar-1',
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'description' => __( 'Appears on posts and pages except the optional Front Page template, which has its own widgets', 'twentytwelve' ),
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'before_widget' => '<aside id="%1$s" class="widget %2$s">',
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'after_widget' => '</aside>',
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'before_title' => '<h3 class="widget-title">',
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'after_title' => '</h3>',
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) );
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register_sidebar( array(
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'name' => __( 'First Front Page Widget Area', 'twentytwelve' ),
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'id' => 'sidebar-2',
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'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ),
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'before_widget' => '<aside id="%1$s" class="widget %2$s">',
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'after_widget' => '</aside>',
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'before_title' => '<h3 class="widget-title">',
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'after_title' => '</h3>',
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) );
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register_sidebar( array(
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'name' => __( 'Second Front Page Widget Area', 'twentytwelve' ),
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'id' => 'sidebar-3',
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'description' => __( 'Appears when using the optional Front Page template with a page set as Static Front Page', 'twentytwelve' ),
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'before_widget' => '<aside id="%1$s" class="widget %2$s">',
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'after_widget' => '</aside>',
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'before_title' => '<h3 class="widget-title">',
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'after_title' => '</h3>',
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) );
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}
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add_action( 'widgets_init', 'twentytwelve_widgets_init' );
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if ( ! function_exists( 'twentytwelve_content_nav' ) ) :
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/**
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* Displays navigation to next/previous pages when applicable.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_content_nav( $html_id ) {
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global $wp_query;
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if ( $wp_query->max_num_pages > 1 ) : ?>
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<nav id="<?php echo esc_attr( $html_id ); ?>" class="navigation" role="navigation">
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<h3 class="assistive-text"><?php _e( 'Post navigation', 'twentytwelve' ); ?></h3>
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<div class="nav-previous"><?php next_posts_link( __( '<span class="meta-nav">←</span> Older posts', 'twentytwelve' ) ); ?></div>
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<div class="nav-next"><?php previous_posts_link( __( 'Newer posts <span class="meta-nav">→</span>', 'twentytwelve' ) ); ?></div>
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</nav><!-- .navigation -->
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<?php endif;
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}
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endif;
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if ( ! function_exists( 'twentytwelve_comment' ) ) :
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/**
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* Template for comments and pingbacks.
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*
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* To override this walker in a child theme without modifying the comments template
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* simply create your own twentytwelve_comment(), and that function will be used instead.
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*
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* Used as a callback by wp_list_comments() for displaying the comments.
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*
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* @since Twenty Twelve 1.0
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*/
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function twentytwelve_comment( $comment, $args, $depth ) {
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$GLOBALS['comment'] = $comment;
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switch ( $comment->comment_type ) :
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case 'pingback' :
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case 'trackback' :
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// Display trackbacks differently than normal comments.
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?>
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<li <?php comment_class(); ?> id="comment-<?php comment_ID(); ?>">
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<p><?php _e( 'Pingback:', 'twentytwelve' ); ?> <?php comment_author_link(); ?> <?php edit_comment_link( __( '(Edit)', 'twentytwelve' ), '<span class="edit-link">', '</span>' ); ?></p>
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<?php
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break;
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default :
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// Proceed with normal comments.
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global $post;
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?>
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<li <?php comment_class(); ?> id="li-comment-<?php comment_ID(); ?>">
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<article id="comment-<?php comment_ID(); ?>" class="comment">
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<header class="comment-meta comment-author vcard">
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<?php
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echo get_avatar( $comment, 44 );
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printf( '<cite><b class="fn">%1$s</b> %2$s</cite>',
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get_comment_author_link(),
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// If current post author is also comment author, make it known visually.
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( $comment->user_id === $post->post_author ) ? '<span>' . __( 'Post author', 'twentytwelve' ) . '</span>' : ''
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);
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printf( '<a href="%1$s"><time datetime="%2$s">%3$s</time></a>',
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esc_url( get_comment_link( $comment->comment_ID ) ),
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get_comment_time( 'c' ),
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/* translators: 1: date, 2: time */
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sprintf( __( '%1$s at %2$s', 'twentytwelve' ), get_comment_date(), get_comment_time() )
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);
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?>
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</header><!-- .comment-meta -->
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<?php if ( '0' == $comment->comment_approved ) : ?>
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<p class="comment-awaiting-moderation"><?php _e( 'Your comment is awaiting moderation.', 'twentytwelve' ); ?></p>
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<?php endif; ?>
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<section class="comment-content comment">
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<?php comment_text(); ?>
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<?php edit_comment_link( __( 'Edit', 'twentytwelve' ), '<p class="edit-link">', '</p>' ); ?>
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</section><!-- .comment-content -->
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<div class="reply">
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<?php comment_reply_link( array_merge( $args, array( 'reply_text' => __( 'Reply', 'twentytwelve' ), 'after' => ' <span>↓</span>', 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
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</div><!-- .reply -->
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</article><!-- #comment-## -->
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<?php
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break;
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endswitch; // end comment_type check
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}
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endif;
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if ( ! function_exists( 'twentytwelve_entry_meta' ) ) :
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/**
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* Set up post entry meta.
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*
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* Prints HTML with meta information for current post: categories, tags, permalink, author, and date.
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*
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* Create your own twentytwelve_entry_meta() to override in a child theme.
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*
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* @since Twenty Twelve 1.0
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|
*/
|
|
function twentytwelve_entry_meta() {
|
|
// Translators: used between list items, there is a space after the comma.
|
|
$categories_list = get_the_category_list( __( ', ', 'twentytwelve' ) );
|
|
|
|
// Translators: used between list items, there is a space after the comma.
|
|
$tag_list = get_the_tag_list( '', __( ', ', 'twentytwelve' ) );
|
|
|
|
$date = sprintf( '<a href="%1$s" title="%2$s" rel="bookmark"><time class="entry-date" datetime="%3$s">%4$s</time></a>',
|
|
esc_url( get_permalink() ),
|
|
esc_attr( get_the_time() ),
|
|
esc_attr( get_the_date( 'c' ) ),
|
|
esc_html( get_the_date() )
|
|
);
|
|
|
|
$author = sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>',
|
|
esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
|
|
esc_attr( sprintf( __( 'View all posts by %s', 'twentytwelve' ), get_the_author() ) ),
|
|
get_the_author()
|
|
);
|
|
|
|
// Translators: 1 is category, 2 is tag, 3 is the date and 4 is the author's name.
|
|
if ( $tag_list ) {
|
|
$utility_text = __( 'This entry was posted in %1$s and tagged %2$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
|
|
} elseif ( $categories_list ) {
|
|
$utility_text = __( 'This entry was posted in %1$s on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
|
|
} else {
|
|
$utility_text = __( 'This entry was posted on %3$s<span class="by-author"> by %4$s</span>.', 'twentytwelve' );
|
|
}
|
|
|
|
printf(
|
|
$utility_text,
|
|
$categories_list,
|
|
$tag_list,
|
|
$date,
|
|
$author
|
|
);
|
|
}
|
|
endif;
|
|
|
|
/**
|
|
* Extend the default WordPress body classes.
|
|
*
|
|
* Extends the default WordPress body class to denote:
|
|
* 1. Using a full-width layout, when no active widgets in the sidebar
|
|
* or full-width template.
|
|
* 2. Front Page template: thumbnail in use and number of sidebars for
|
|
* widget areas.
|
|
* 3. White or empty background color to change the layout and spacing.
|
|
* 4. Custom fonts enabled.
|
|
* 5. Single or multiple authors.
|
|
*
|
|
* @since Twenty Twelve 1.0
|
|
*
|
|
* @param array $classes Existing class values.
|
|
* @return array Filtered class values.
|
|
*/
|
|
function twentytwelve_body_class( $classes ) {
|
|
$background_color = get_background_color();
|
|
$background_image = get_background_image();
|
|
|
|
if ( ! is_active_sidebar( 'sidebar-1' ) || is_page_template( 'page-templates/full-width.php' ) )
|
|
$classes[] = 'full-width';
|
|
|
|
if ( is_page_template( 'page-templates/front-page.php' ) ) {
|
|
$classes[] = 'template-front-page';
|
|
if ( has_post_thumbnail() )
|
|
$classes[] = 'has-post-thumbnail';
|
|
if ( is_active_sidebar( 'sidebar-2' ) && is_active_sidebar( 'sidebar-3' ) )
|
|
$classes[] = 'two-sidebars';
|
|
}
|
|
|
|
if ( empty( $background_image ) ) {
|
|
if ( empty( $background_color ) )
|
|
$classes[] = 'custom-background-empty';
|
|
elseif ( in_array( $background_color, array( 'fff', 'ffffff' ) ) )
|
|
$classes[] = 'custom-background-white';
|
|
}
|
|
|
|
// Enable custom font class only if the font CSS is queued to load.
|
|
if ( wp_style_is( 'twentytwelve-fonts', 'queue' ) )
|
|
$classes[] = 'custom-font-enabled';
|
|
|
|
if ( ! is_multi_author() )
|
|
$classes[] = 'single-author';
|
|
|
|
return $classes;
|
|
}
|
|
add_filter( 'body_class', 'twentytwelve_body_class' );
|
|
|
|
/**
|
|
* Adjust content width in certain contexts.
|
|
*
|
|
* Adjusts content_width value for full-width and single image attachment
|
|
* templates, and when there are no active widgets in the sidebar.
|
|
*
|
|
* @since Twenty Twelve 1.0
|
|
*/
|
|
function twentytwelve_content_width() {
|
|
if ( is_page_template( 'page-templates/full-width.php' ) || is_attachment() || ! is_active_sidebar( 'sidebar-1' ) ) {
|
|
global $content_width;
|
|
$content_width = 960;
|
|
}
|
|
}
|
|
add_action( 'template_redirect', 'twentytwelve_content_width' );
|
|
|
|
/**
|
|
* Register postMessage support.
|
|
*
|
|
* Add postMessage support for site title and description for the Customizer.
|
|
*
|
|
* @since Twenty Twelve 1.0
|
|
*
|
|
* @param WP_Customize_Manager $wp_customize Customizer object.
|
|
*/
|
|
function twentytwelve_customize_register( $wp_customize ) {
|
|
$wp_customize->get_setting( 'blogname' )->transport = 'postMessage';
|
|
$wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage';
|
|
$wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
|
|
|
|
if ( isset( $wp_customize->selective_refresh ) ) {
|
|
$wp_customize->selective_refresh->add_partial( 'blogname', array(
|
|
'selector' => '.site-title > a',
|
|
'container_inclusive' => false,
|
|
'render_callback' => 'twentytwelve_customize_partial_blogname',
|
|
) );
|
|
$wp_customize->selective_refresh->add_partial( 'blogdescription', array(
|
|
'selector' => '.site-description',
|
|
'container_inclusive' => false,
|
|
'render_callback' => 'twentytwelve_customize_partial_blogdescription',
|
|
) );
|
|
}
|
|
}
|
|
add_action( 'customize_register', 'twentytwelve_customize_register' );
|
|
|
|
/**
|
|
* Render the site title for the selective refresh partial.
|
|
*
|
|
* @since Twenty Twelve 2.0
|
|
* @see twentytwelve_customize_register()
|
|
*
|
|
* @return void
|
|
*/
|
|
function twentytwelve_customize_partial_blogname() {
|
|
bloginfo( 'name' );
|
|
}
|
|
|
|
/**
|
|
* Render the site tagline for the selective refresh partial.
|
|
*
|
|
* @since Twenty Twelve 2.0
|
|
* @see twentytwelve_customize_register()
|
|
*
|
|
* @return void
|
|
*/
|
|
function twentytwelve_customize_partial_blogdescription() {
|
|
bloginfo( 'description' );
|
|
}
|
|
|
|
/**
|
|
* Enqueue Javascript postMessage handlers for the Customizer.
|
|
*
|
|
* Binds JS handlers to make the Customizer preview reload changes asynchronously.
|
|
*
|
|
* @since Twenty Twelve 1.0
|
|
*/
|
|
function twentytwelve_customize_preview_js() {
|
|
wp_enqueue_script( 'twentytwelve-customizer', get_template_directory_uri() . '/js/theme-customizer.js', array( 'customize-preview' ), '20141120', true );
|
|
}
|
|
add_action( 'customize_preview_init', 'twentytwelve_customize_preview_js' );
|
|
|
|
|
|
/**
|
|
* Modifies tag cloud widget arguments to display all tags in the same font size
|
|
* and use list format for better accessibility.
|
|
*
|
|
* @since Twenty Twelve 2.4
|
|
*
|
|
* @param array $args Arguments for tag cloud widget.
|
|
* @return array The filtered arguments for tag cloud widget.
|
|
*/
|
|
function twentytwelve_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', 'twentytwelve_widget_tag_cloud_args' );
|