* add_action( 'after_setup_theme', 'my_child_theme_setup' );
* function my_child_theme_setup() {
* // We are providing our own filter for excerpt_length (or using the unfiltered value).
* remove_filter( 'excerpt_length', 'twentyten_excerpt_length' );
* ...
* }
*
*
* For more information on hooks, actions, and filters, see https://developer.wordpress.org/plugins/.
*
* @package WordPress
* @subpackage Twenty_Ten
* @since Twenty Ten 1.0
*/
/*
* Set the content width based on the theme's design and stylesheet.
*
* Used to set the width of images and content. Should be equal to the width the theme
* is designed for, generally via the style.css stylesheet.
*/
if ( ! isset( $content_width ) ) {
$content_width = 640;
}
/* Tell WordPress to run twentyten_setup() when the 'after_setup_theme' hook is run. */
add_action( 'after_setup_theme', 'twentyten_setup' );
if ( ! function_exists( 'twentyten_setup' ) ) :
/**
* Set 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 post thumbnails.
*
* To override twentyten_setup() in a child theme, add your own twentyten_setup to your child theme's
* functions.php file.
*
* @uses add_theme_support() To add support for post thumbnails, custom headers and backgrounds, and automatic feed links.
* @uses register_nav_menus() To add support for navigation menus.
* @uses add_editor_style() To style the visual editor.
* @uses load_theme_textdomain() For translation/localization support.
* @uses register_default_headers() To register the default custom header images provided with the theme.
* @uses set_post_thumbnail_size() To set a custom post thumbnail size.
*
* @since Twenty Ten 1.0
*/
function twentyten_setup() {
// This theme styles the visual editor with editor-style.css to match the theme style.
add_editor_style();
// 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 custom color scheme.
add_theme_support(
'editor-color-palette',
array(
array(
'name' => __( 'Blue', 'twentyten' ),
'slug' => 'blue',
'color' => '#0066cc',
),
array(
'name' => __( 'Black', 'twentyten' ),
'slug' => 'black',
'color' => '#000',
),
array(
'name' => __( 'Medium Gray', 'twentyten' ),
'slug' => 'medium-gray',
'color' => '#666',
),
array(
'name' => __( 'Light Gray', 'twentyten' ),
'slug' => 'light-gray',
'color' => '#f1f1f1',
),
array(
'name' => __( 'White', 'twentyten' ),
'slug' => 'white',
'color' => '#fff',
),
)
);
// Post Format support. You can also use the legacy "gallery" or "asides" (note the plural) categories.
add_theme_support( 'post-formats', array( 'aside', 'gallery' ) );
// This theme uses post thumbnails.
add_theme_support( 'post-thumbnails' );
// Add default posts and comments RSS feed links to head.
add_theme_support( 'automatic-feed-links' );
/*
* Make theme available for translation.
* Translations can be filed in the /languages/ directory.
*
* 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( 'twentyten', get_template_directory() . '/languages' );
}
// This theme uses wp_nav_menu() in one location.
register_nav_menus(
array(
'primary' => __( 'Primary Navigation', 'twentyten' ),
)
);
// This theme allows users to set a custom background.
add_theme_support(
'custom-background',
array(
// Let WordPress know what our default background color is.
'default-color' => 'f1f1f1',
)
);
// The custom header business starts here.
$custom_header_support = array(
/*
* The default image to use.
* The %s is a placeholder for the theme template directory URI.
*/
'default-image' => '%s/images/headers/path.jpg',
// The height and width of our custom header.
/**
* Filters the Twenty Ten default header image width.
*
* @since Twenty Ten 1.0
*
* @param int The default header image width in pixels. Default 940.
*/
'width' => apply_filters( 'twentyten_header_image_width', 940 ),
/**
* Filters the Twenty Ten default header image height.
*
* @since Twenty Ten 1.0
*
* @param int The default header image height in pixels. Default 198.
*/
'height' => apply_filters( 'twentyten_header_image_height', 198 ),
// Support flexible heights.
'flex-height' => true,
// Don't support text inside the header image.
'header-text' => false,
// Callback for styling the header preview in the admin.
'admin-head-callback' => 'twentyten_admin_header_style',
);
add_theme_support( 'custom-header', $custom_header_support );
if ( ! function_exists( 'get_custom_header' ) ) {
// This is all for compatibility with versions of WordPress prior to 3.4.
define( 'HEADER_TEXTCOLOR', '' );
define( 'NO_HEADER_TEXT', true );
define( 'HEADER_IMAGE', $custom_header_support['default-image'] );
define( 'HEADER_IMAGE_WIDTH', $custom_header_support['width'] );
define( 'HEADER_IMAGE_HEIGHT', $custom_header_support['height'] );
add_custom_image_header( '', $custom_header_support['admin-head-callback'] );
add_custom_background();
}
/*
* We'll be using post thumbnails for custom header images on posts and pages.
* We want them to be 940 pixels wide by 198 pixels tall.
* Larger images will be auto-cropped to fit, smaller ones will be ignored. See header.php.
*/
set_post_thumbnail_size( $custom_header_support['width'], $custom_header_support['height'], true );
// ...and thus ends the custom header business.
// Default custom headers packaged with the theme. %s is a placeholder for the theme template directory URI.
register_default_headers(
array(
'berries' => array(
'url' => '%s/images/headers/berries.jpg',
'thumbnail_url' => '%s/images/headers/berries-thumbnail.jpg',
/* translators: Header image description. */
'description' => __( 'Berries', 'twentyten' ),
),
'cherryblossom' => array(
'url' => '%s/images/headers/cherryblossoms.jpg',
'thumbnail_url' => '%s/images/headers/cherryblossoms-thumbnail.jpg',
/* translators: Header image description. */
'description' => __( 'Cherry Blossoms', 'twentyten' ),
),
'concave' => array(
'url' => '%s/images/headers/concave.jpg',
'thumbnail_url' => '%s/images/headers/concave-thumbnail.jpg',
/* translators: Header image description. */
'description' => __( 'Concave', 'twentyten' ),
),
'fern' => array(
'url' => '%s/images/headers/fern.jpg',
'thumbnail_url' => '%s/images/headers/fern-thumbnail.jpg',
/* translators: Header image description. */
'description' => __( 'Fern', 'twentyten' ),
),
'forestfloor' => array(
'url' => '%s/images/headers/forestfloor.jpg',
'thumbnail_url' => '%s/images/headers/forestfloor-thumbnail.jpg',
/* translators: Header image description. */
'description' => __( 'Forest Floor', 'twentyten' ),
),
'inkwell' => array(
'url' => '%s/images/headers/inkwell.jpg',
'thumbnail_url' => '%s/images/headers/inkwell-thumbnail.jpg',
/* translators: Header image description. */
'description' => __( 'Inkwell', 'twentyten' ),
),
'path' => array(
'url' => '%s/images/headers/path.jpg',
'thumbnail_url' => '%s/images/headers/path-thumbnail.jpg',
/* translators: Header image description. */
'description' => __( 'Path', 'twentyten' ),
),
'sunset' => array(
'url' => '%s/images/headers/sunset.jpg',
'thumbnail_url' => '%s/images/headers/sunset-thumbnail.jpg',
/* translators: Header image description. */
'description' => __( 'Sunset', 'twentyten' ),
),
)
);
}
endif;
if ( ! function_exists( 'twentyten_admin_header_style' ) ) :
/**
* Style the header image displayed on the Appearance > Header admin panel.
*
* Referenced via add_custom_image_header() in twentyten_setup().
*
* @since Twenty Ten 1.0
*/
function twentyten_admin_header_style() {
?>
get_bloginfo( 'name', 'display' ),
);
// Compatibility with versions of WordPress prior to 3.4.
if ( function_exists( 'get_custom_header' ) ) {
$custom_header = get_custom_header();
$attrs['width'] = $custom_header->width;
$attrs['height'] = $custom_header->height;
} else {
$attrs['width'] = HEADER_IMAGE_WIDTH;
$attrs['height'] = HEADER_IMAGE_HEIGHT;
}
if ( function_exists( 'the_header_image_tag' ) ) {
the_header_image_tag( $attrs );
return;
}
?>
![<?php echo esc_attr( $attrs['alt'] ); ?>](<?php header_image(); ?>)
' . __( 'Continue reading →', 'twentyten' ) . '';
}
endif;
/**
* Replace "[...]" with an ellipsis and twentyten_continue_reading_link().
*
* "[...]" is appended to automatically generated excerpts.
*
* To override this in a child theme, remove the filter and add your own
* function tied to the excerpt_more filter hook.
*
* @since Twenty Ten 1.0
*
* @param string $more The Read More text.
* @return string The filtered Read More text.
*/
function twentyten_auto_excerpt_more( $more ) {
if ( ! is_admin() ) {
return ' …' . twentyten_continue_reading_link();
}
return $more;
}
add_filter( 'excerpt_more', 'twentyten_auto_excerpt_more' );
/**
* Add a pretty "Continue Reading" link to custom post excerpts.
*
* To override this link in a child theme, remove the filter and add your own
* function tied to the get_the_excerpt filter hook.
*
* @since Twenty Ten 1.0
*
* @param string $output The "Continue Reading" link.
* @return string Excerpt with a pretty "Continue Reading" link.
*/
function twentyten_custom_excerpt_more( $output ) {
if ( has_excerpt() && ! is_attachment() && ! is_admin() ) {
$output .= twentyten_continue_reading_link();
}
return $output;
}
add_filter( 'get_the_excerpt', 'twentyten_custom_excerpt_more' );
/**
* Remove inline styles printed when the gallery shortcode is used.
*
* Galleries are styled by the theme in Twenty Ten's style.css. This is just
* a simple filter call that tells WordPress to not use the default styles.
*
* @since Twenty Ten 1.2
*/
add_filter( 'use_default_gallery_style', '__return_false' );
/**
* Deprecated way to remove inline styles printed when the gallery shortcode is used.
*
* This function is no longer needed or used. Use the use_default_gallery_style
* filter instead, as seen above.
*
* @since Twenty Ten 1.0
* @deprecated Deprecated in Twenty Ten 1.2 for WordPress 3.1
*
* @param string $css Default CSS styles and opening HTML div container
* for the gallery shortcode output.
* @return string The gallery style filter, with the styles themselves removed.
*/
function twentyten_remove_gallery_css( $css ) {
return preg_replace( "##s", '', $css );
}
// Backward compatibility with WordPress 3.0.
if ( version_compare( $GLOBALS['wp_version'], '3.1', '<' ) ) {
add_filter( 'gallery_style', 'twentyten_remove_gallery_css' );
}
if ( ! function_exists( 'twentyten_comment' ) ) :
/**
* Template for comments and pingbacks.
*
* To override this walker in a child theme without modifying the comments template
* simply create your own twentyten_comment(), and that function will be used instead.
*
* Used as a callback by wp_list_comments() for displaying the comments.
*
* @since Twenty Ten 1.0
*
* @param WP_Comment $comment The comment object.
* @param array $args An array of arguments. @see get_comment_reply_link()
* @param int $depth The depth of the comment.
*/
function twentyten_comment( $comment, $args, $depth ) {
$GLOBALS['comment'] = $comment;
switch ( $comment->comment_type ) :
case '':
case 'comment':
?>
id="li-comment-">
__( 'Primary Widget Area', 'twentyten' ),
'id' => 'primary-widget-area',
'description' => __( 'Add widgets here to appear in your sidebar.', 'twentyten' ),
'before_widget' => '',
'after_widget' => '',
'before_title' => '',
)
);
// Area 2, located below the Primary Widget Area in the sidebar. Empty by default.
register_sidebar(
array(
'name' => __( 'Secondary Widget Area', 'twentyten' ),
'id' => 'secondary-widget-area',
'description' => __( 'An optional secondary widget area, displays below the primary widget area in your sidebar.', 'twentyten' ),
'before_widget' => '',
'after_widget' => '',
'before_title' => '',
)
);
// Area 3, located in the footer. Empty by default.
register_sidebar(
array(
'name' => __( 'First Footer Widget Area', 'twentyten' ),
'id' => 'first-footer-widget-area',
'description' => __( 'An optional widget area for your site footer.', 'twentyten' ),
'before_widget' => '',
'after_widget' => '',
'before_title' => '',
)
);
// Area 4, located in the footer. Empty by default.
register_sidebar(
array(
'name' => __( 'Second Footer Widget Area', 'twentyten' ),
'id' => 'second-footer-widget-area',
'description' => __( 'An optional widget area for your site footer.', 'twentyten' ),
'before_widget' => '',
'after_widget' => '',
'before_title' => '',
)
);
// Area 5, located in the footer. Empty by default.
register_sidebar(
array(
'name' => __( 'Third Footer Widget Area', 'twentyten' ),
'id' => 'third-footer-widget-area',
'description' => __( 'An optional widget area for your site footer.', 'twentyten' ),
'before_widget' => '',
'after_widget' => '',
'before_title' => '',
)
);
// Area 6, located in the footer. Empty by default.
register_sidebar(
array(
'name' => __( 'Fourth Footer Widget Area', 'twentyten' ),
'id' => 'fourth-footer-widget-area',
'description' => __( 'An optional widget area for your site footer.', 'twentyten' ),
'before_widget' => '',
'after_widget' => '',
'before_title' => '',
)
);
}
/** Register sidebars by running twentyten_widgets_init() on the widgets_init hook. */
add_action( 'widgets_init', 'twentyten_widgets_init' );
/**
* Remove the default styles that are packaged with the Recent Comments widget.
*
* To override this in a child theme, remove the filter and optionally add your own
* function tied to the widgets_init action hook.
*
* This function uses a filter (show_recent_comments_widget_style) new in WordPress 3.1
* to remove the default style. Using Twenty Ten 1.2 in WordPress 3.0 will show the styles,
* but they won't have any effect on the widget in default Twenty Ten styling.
*
* @since Twenty Ten 1.0
*/
function twentyten_remove_recent_comments_style() {
add_filter( 'show_recent_comments_widget_style', '__return_false' );
}
add_action( 'widgets_init', 'twentyten_remove_recent_comments_style' );
if ( ! function_exists( 'twentyten_posted_on' ) ) :
/**
* Print HTML with meta information for the current post-date/time and author.
*
* @since Twenty Ten 1.0
*/
function twentyten_posted_on() {
printf(
/* translators: 1: CSS classes, 2: Date, 3: Author display name. */
__( 'Posted on %2$s by %3$s', 'twentyten' ),
'meta-prep meta-prep-author',
sprintf(
'%3$s',
esc_url( get_permalink() ),
esc_attr( get_the_time() ),
get_the_date()
),
sprintf(
'%3$s',
esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
/* translators: %s: Author display name. */
esc_attr( sprintf( __( 'View all posts by %s', 'twentyten' ), get_the_author() ) ),
get_the_author()
)
);
}
endif;
if ( ! function_exists( 'twentyten_posted_in' ) ) :
/**
* Print HTML with meta information for the current post (category, tags and permalink).
*
* @since Twenty Ten 1.0
*/
function twentyten_posted_in() {
// Retrieves tag list of current post, separated by commas.
$tags_list = get_the_tag_list( '', ', ' );
if ( $tags_list && ! is_wp_error( $tags_list ) ) {
/* translators: 1: Category name, 2: Tag name, 3: Post permalink, 4: Post title. */
$posted_in = __( 'This entry was posted in %1$s and tagged %2$s. Bookmark the permalink.', 'twentyten' );
} elseif ( is_object_in_taxonomy( get_post_type(), 'category' ) ) {
/* translators: 1: Category name, 3: Post permalink, 4: Post title. */
$posted_in = __( 'This entry was posted in %1$s. Bookmark the permalink.', 'twentyten' );
} else {
/* translators: 3: Post permalink, 4: Post title. */
$posted_in = __( 'Bookmark the permalink.', 'twentyten' );
}
// Prints the string, replacing the placeholders.
printf(
$posted_in,
get_the_category_list( ', ' ),
$tags_list,
esc_url( get_permalink() ),
the_title_attribute( 'echo=0' )
);
}
endif;
/**
* Retrieve the IDs for images in a gallery.
*
* @uses get_post_galleries() First, if available. Falls back to shortcode parsing,
* then as last option uses a get_posts() call.
*
* @since Twenty Ten 1.6.
*
* @return array List of image IDs from the post gallery.
*/
function twentyten_get_gallery_images() {
$images = array();
if ( function_exists( 'get_post_galleries' ) ) {
$galleries = get_post_galleries( get_the_ID(), false );
if ( isset( $galleries[0]['ids'] ) ) {
$images = explode( ',', $galleries[0]['ids'] );
}
} else {
$pattern = get_shortcode_regex();
preg_match( "/$pattern/s", get_the_content(), $match );
$atts = shortcode_parse_atts( $match[3] );
if ( isset( $atts['ids'] ) ) {
$images = explode( ',', $atts['ids'] );
}
}
if ( ! $images ) {
$images = get_posts(
array(
'fields' => 'ids',
'numberposts' => 999,
'order' => 'ASC',
'orderby' => 'menu_order',
'post_mime_type' => 'image',
'post_parent' => get_the_ID(),
'post_type' => 'attachment',
)
);
}
return $images;
}
/**
* Modifies tag cloud widget arguments to display all tags in the same font size
* and use list format for better accessibility.
*
* @since Twenty Ten 2.4
*
* @param array $args Arguments for tag cloud widget.
* @return array The filtered arguments for tag cloud widget.
*/
function twentyten_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', 'twentyten_widget_tag_cloud_args' );
/**
* Enqueue scripts and styles for front end.
*
* @since Twenty Ten 2.6
*/
function twentyten_scripts_styles() {
// Theme block stylesheet.
wp_enqueue_style( 'twentyten-block-style', get_template_directory_uri() . '/blocks.css', array(), '20230627' );
}
add_action( 'wp_enqueue_scripts', 'twentyten_scripts_styles' );
/**
* Enqueue styles for the block-based editor.
*
* @since Twenty Ten 2.6
*/
function twentyten_block_editor_styles() {
// Block styles.
wp_enqueue_style( 'twentyten-block-editor-style', get_template_directory_uri() . '/editor-blocks.css', array(), '20230627' );
}
add_action( 'enqueue_block_editor_assets', 'twentyten_block_editor_styles' );
/**
* Register block patterns and pattern categories.
*
* @since Twenty Ten 4.3
*/
function twentyten_register_block_patterns() {
require get_template_directory() . '/block-patterns.php';
}
add_action( 'init', 'twentyten_register_block_patterns' );
if ( ! function_exists( 'wp_body_open' ) ) :
/**
* Fire the wp_body_open action.
*
* Added for backward compatibility to support pre-5.2.0 WordPress versions.
*
* @since Twenty Ten 2.9
*/
function wp_body_open() {
/**
* Triggered after the opening tag.
*
* @since Twenty Ten 2.9
*/
do_action( 'wp_body_open' );
}
endif;