/usr/share/wordpress/wp-content/themes/twentyfifteen/inc/template-tags.php is in wordpress-theme-twentyfifteen 4.9.5+dfsg1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Custom template tags for Twenty Fifteen
*
* Eventually, some of the functionality here could be replaced by core features.
*
* @package WordPress
* @subpackage Twenty_Fifteen
* @since Twenty Fifteen 1.0
*/
if ( ! function_exists( 'twentyfifteen_comment_nav' ) ) :
/**
* Display navigation to next/previous comments when applicable.
*
* @since Twenty Fifteen 1.0
*/
function twentyfifteen_comment_nav() {
// Are there comments to navigate through?
if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) :
?>
<nav class="navigation comment-navigation" role="navigation">
<h2 class="screen-reader-text"><?php _e( 'Comment navigation', 'twentyfifteen' ); ?></h2>
<div class="nav-links">
<?php
if ( $prev_link = get_previous_comments_link( __( 'Older Comments', 'twentyfifteen' ) ) ) :
printf( '<div class="nav-previous">%s</div>', $prev_link );
endif;
if ( $next_link = get_next_comments_link( __( 'Newer Comments', 'twentyfifteen' ) ) ) :
printf( '<div class="nav-next">%s</div>', $next_link );
endif;
?>
</div><!-- .nav-links -->
</nav><!-- .comment-navigation -->
<?php
endif;
}
endif;
if ( ! function_exists( 'twentyfifteen_entry_meta' ) ) :
/**
* Prints HTML with meta information for the categories, tags.
*
* @since Twenty Fifteen 1.0
*/
function twentyfifteen_entry_meta() {
if ( is_sticky() && is_home() && ! is_paged() ) {
printf( '<span class="sticky-post">%s</span>', __( 'Featured', 'twentyfifteen' ) );
}
$format = get_post_format();
if ( current_theme_supports( 'post-formats', $format ) ) {
printf( '<span class="entry-format">%1$s<a href="%2$s">%3$s</a></span>',
sprintf( '<span class="screen-reader-text">%s </span>', _x( 'Format', 'Used before post format.', 'twentyfifteen' ) ),
esc_url( get_post_format_link( $format ) ),
get_post_format_string( $format )
);
}
if ( in_array( get_post_type(), array( 'post', 'attachment' ) ) ) {
$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
}
$time_string = sprintf( $time_string,
esc_attr( get_the_date( 'c' ) ),
get_the_date(),
esc_attr( get_the_modified_date( 'c' ) ),
get_the_modified_date()
);
printf( '<span class="posted-on"><span class="screen-reader-text">%1$s </span><a href="%2$s" rel="bookmark">%3$s</a></span>',
_x( 'Posted on', 'Used before publish date.', 'twentyfifteen' ),
esc_url( get_permalink() ),
$time_string
);
}
if ( 'post' == get_post_type() ) {
if ( is_singular() || is_multi_author() ) {
printf( '<span class="byline"><span class="author vcard"><span class="screen-reader-text">%1$s </span><a class="url fn n" href="%2$s">%3$s</a></span></span>',
_x( 'Author', 'Used before post author name.', 'twentyfifteen' ),
esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
get_the_author()
);
}
$categories_list = get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfifteen' ) );
if ( $categories_list && twentyfifteen_categorized_blog() ) {
printf( '<span class="cat-links"><span class="screen-reader-text">%1$s </span>%2$s</span>',
_x( 'Categories', 'Used before category names.', 'twentyfifteen' ),
$categories_list
);
}
$tags_list = get_the_tag_list( '', _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfifteen' ) );
if ( $tags_list && ! is_wp_error( $tags_list ) ) {
printf( '<span class="tags-links"><span class="screen-reader-text">%1$s </span>%2$s</span>',
_x( 'Tags', 'Used before tag names.', 'twentyfifteen' ),
$tags_list
);
}
}
if ( is_attachment() && wp_attachment_is_image() ) {
// Retrieve attachment metadata.
$metadata = wp_get_attachment_metadata();
printf( '<span class="full-size-link"><span class="screen-reader-text">%1$s </span><a href="%2$s">%3$s × %4$s</a></span>',
_x( 'Full size', 'Used before full size attachment link.', 'twentyfifteen' ),
esc_url( wp_get_attachment_url() ),
$metadata['width'],
$metadata['height']
);
}
if ( ! is_single() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
echo '<span class="comments-link">';
/* translators: %s: post title */
comments_popup_link( sprintf( __( 'Leave a comment<span class="screen-reader-text"> on %s</span>', 'twentyfifteen' ), get_the_title() ) );
echo '</span>';
}
}
endif;
/**
* Determine whether blog/site has more than one category.
*
* @since Twenty Fifteen 1.0
*
* @return bool True of there is more than one category, false otherwise.
*/
function twentyfifteen_categorized_blog() {
if ( false === ( $all_the_cool_cats = get_transient( 'twentyfifteen_categories' ) ) ) {
// Create an array of all the categories that are attached to posts.
$all_the_cool_cats = get_categories( array(
'fields' => 'ids',
'hide_empty' => 1,
// We only need to know if there is more than one category.
'number' => 2,
) );
// Count the number of categories that are attached to the posts.
$all_the_cool_cats = count( $all_the_cool_cats );
set_transient( 'twentyfifteen_categories', $all_the_cool_cats );
}
if ( $all_the_cool_cats > 1 || is_preview() ) {
// This blog has more than 1 category so twentyfifteen_categorized_blog should return true.
return true;
} else {
// This blog has only 1 category so twentyfifteen_categorized_blog should return false.
return false;
}
}
/**
* Flush out the transients used in {@see twentyfifteen_categorized_blog()}.
*
* @since Twenty Fifteen 1.0
*/
function twentyfifteen_category_transient_flusher() {
// Like, beat it. Dig?
delete_transient( 'twentyfifteen_categories' );
}
add_action( 'edit_category', 'twentyfifteen_category_transient_flusher' );
add_action( 'save_post', 'twentyfifteen_category_transient_flusher' );
if ( ! function_exists( 'twentyfifteen_post_thumbnail' ) ) :
/**
* Display an optional post thumbnail.
*
* Wraps the post thumbnail in an anchor element on index views, or a div
* element when on single views.
*
* @since Twenty Fifteen 1.0
*/
function twentyfifteen_post_thumbnail() {
if ( post_password_required() || is_attachment() || ! has_post_thumbnail() ) {
return;
}
if ( is_singular() ) :
?>
<div class="post-thumbnail">
<?php the_post_thumbnail(); ?>
</div><!-- .post-thumbnail -->
<?php else : ?>
<a class="post-thumbnail" href="<?php the_permalink(); ?>" aria-hidden="true">
<?php
the_post_thumbnail( 'post-thumbnail', array( 'alt' => get_the_title() ) );
?>
</a>
<?php endif; // End is_singular()
}
endif;
if ( ! function_exists( 'twentyfifteen_get_link_url' ) ) :
/**
* Return the post URL.
*
* Falls back to the post permalink if no URL is found in the post.
*
* @since Twenty Fifteen 1.0
*
* @see get_url_in_content()
*
* @return string The Link format URL.
*/
function twentyfifteen_get_link_url() {
$has_url = get_url_in_content( get_the_content() );
return $has_url ? $has_url : apply_filters( 'the_permalink', get_permalink() );
}
endif;
if ( ! function_exists( 'twentyfifteen_excerpt_more' ) && ! is_admin() ) :
/**
* Replaces "[...]" (appended to automatically generated excerpts) with ... and a 'Continue reading' link.
*
* @since Twenty Fifteen 1.0
*
* @return string 'Continue reading' link prepended with an ellipsis.
*/
function twentyfifteen_excerpt_more( $more ) {
$link = sprintf( '<a href="%1$s" class="more-link">%2$s</a>',
esc_url( get_permalink( get_the_ID() ) ),
/* translators: %s: Name of current post */
sprintf( __( 'Continue reading %s', 'twentyfifteen' ), '<span class="screen-reader-text">' . get_the_title( get_the_ID() ) . '</span>' )
);
return ' … ' . $link;
}
add_filter( 'excerpt_more', 'twentyfifteen_excerpt_more' );
endif;
if ( ! function_exists( 'twentyfifteen_the_custom_logo' ) ) :
/**
* Displays the optional custom logo.
*
* Does nothing if the custom logo is not available.
*
* @since Twenty Fifteen 1.5
*/
function twentyfifteen_the_custom_logo() {
if ( function_exists( 'the_custom_logo' ) ) {
the_custom_logo();
}
}
endif;
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