mirror of
https://github.com/WordPress/WordPress.git
synced 2024-09-11 23:28:18 +02:00
298 lines
9.7 KiB
PHP
298 lines
9.7 KiB
PHP
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<?php
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/**
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* Custom template tags for this theme.
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*
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* Eventually, some of the functionality here could be replaced by core features.
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*
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* @package WordPress
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* @subpackage Twenty_Fifteen
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* @since Twenty Fifteen 1.0
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*/
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if ( ! function_exists( 'twentyfifteen_paging_nav' ) ) :
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/**
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* Display navigation to next/previous set of posts when applicable.
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*
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* @since Twenty Fifteen 1.0
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* @uses paginate_links()
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*
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* @global WP_Query $wp_query WordPress Query object.
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*/
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function twentyfifteen_paging_nav() {
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// Don't print empty markup if there's only one page.
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if ( $GLOBALS['wp_query']->max_num_pages < 2 ) {
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return;
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}
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// Set up paginated links.
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$links = paginate_links( array(
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'prev_text' => esc_html__( 'Previous', 'twentyfifteen' ),
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'next_text' => esc_html__( 'Next', 'twentyfifteen' ),
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'before_page_number' => '<span class="meta-nav">' . esc_html__( 'Page', 'twentyfifteen' ) . '</span>',
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) );
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if ( $links ) :
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?>
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<nav class="navigation pagination" role="navigation">
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<h1 class="screen-reader-text"><?php esc_html_e( 'Posts navigation', 'twentyfifteen' ); ?></h1>
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<div class="nav-links">
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<?php echo $links; ?>
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</div><!-- .nav-links -->
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</nav><!-- .pagination -->
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<?php
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endif;
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}
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endif;
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if ( ! function_exists( 'twentyfifteen_post_nav' ) ) :
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/**
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* Display navigation to next/previous post when applicable.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_post_nav() {
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// Don't print empty markup if there's nowhere to navigate.
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$previous = ( is_attachment() ) ? get_post( get_post()->post_parent ) : get_adjacent_post( false, '', true );
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$next = get_adjacent_post( false, '', false );
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if ( ( ! $next && ! $previous ) || ( is_attachment() && 'attachment' == $previous->post_type ) ) {
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return;
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}
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$prev_class = $next_class = '';
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if ( $previous && has_post_thumbnail( $previous->ID ) ) {
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$prev_class = " has-post-thumbnail";
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}
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if ( $next && has_post_thumbnail( $next->ID ) ) {
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$next_class = " has-post-thumbnail";
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}
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?>
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<nav class="navigation post-navigation" role="navigation">
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<h1 class="screen-reader-text"><?php esc_html_e( 'Post navigation', 'twentyfifteen' ); ?></h1>
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<div class="nav-links">
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<?php
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if ( is_attachment() ) :
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previous_post_link( '<div class="nav-previous' . $prev_class . '">%link</div>', _x( '<span class="meta-nav">Published In</span><span class="post-title">%title</span>', 'Parent post link', 'twentyfifteen' ) );
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else :
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previous_post_link( '<div class="nav-previous' . $prev_class . '">%link</div>', _x( '<span class="meta-nav">Previous</span><span class="post-title">%title</span>', 'Previous post link', 'twentyfifteen' ) );
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next_post_link( '<div class="nav-next' . $next_class . '">%link</div>', _x( '<span class="meta-nav">Next</span><span class="post-title">%title</span>', 'Next post link', 'twentyfifteen' ) );
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endif;
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?>
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</div><!-- .nav-links -->
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</nav><!-- .post-navigation -->
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<?php
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}
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endif;
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if ( ! function_exists( 'twentyfifteen_comment_nav' ) ) :
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/**
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* Display navigation to next/previous comments when applicable.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_comment_nav() {
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// Are there comments to navigate through?
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if ( get_comment_pages_count() > 1 && get_option( 'page_comments' ) ) :
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?>
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<nav class="navigation comment-navigation" role="navigation">
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<h1 class="screen-reader-text"><?php esc_html_e( 'Comment navigation', 'twentyfifteen' ); ?></h1>
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<div class="nav-links">
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<?php
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if ( $prev_link = get_previous_comments_link( esc_html__( 'Older Comments', 'twentyfifteen' ) ) ) :
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printf( '<div class="nav-previous">%s</div>', $prev_link );
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endif;
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if ( $next_link = get_next_comments_link( esc_html__( 'Newer Comments', 'twentyfifteen' ) ) ) :
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printf( '<div class="nav-next">%s</div>', $next_link );
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endif;
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?>
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</div><!-- .nav-links -->
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</nav><!-- .comment-navigation -->
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<?php
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endif;
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}
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endif;
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if ( ! function_exists( 'twentyfifteen_entry_meta' ) ) :
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/**
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* Prints HTML with meta information for the categories, tags.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_entry_meta() {
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if ( is_sticky() && is_home() && ! is_paged() ) {
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printf( '<span class="sticky-post">%s</span>', esc_html__( 'Featured', 'twentyfifteen' ) );
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}
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$format = get_post_format();
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if ( current_theme_supports( 'post-formats', $format ) ) {
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printf( '<span class="entry-format">%1$s<a href="%2$s">%3$s</a></span>',
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sprintf( '<span class="screen-reader-text">%s</span>', esc_html_x( 'Format', 'Used before post format.', 'twentyfifteen' ) ),
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esc_url( get_post_format_link( $format ) ),
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get_post_format_string( $format )
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);
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}
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if ( in_array( get_post_type(), array( 'post', 'attachment' ) ) ) {
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$time_string = '<time class="entry-date published updated" datetime="%1$s">%2$s</time>';
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if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
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$time_string = '<time class="entry-date published" datetime="%1$s">%2$s</time><time class="updated" datetime="%3$s">%4$s</time>';
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}
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$time_string = sprintf( $time_string,
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esc_attr( get_the_date( 'c' ) ),
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esc_html( get_the_date() ),
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esc_attr( get_the_modified_date( 'c' ) ),
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esc_html( get_the_modified_date() )
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);
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printf( '<span class="posted-on">%1$s<a href="%2$s" rel="bookmark">%3$s</a></span>',
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sprintf( _x( '<span class="screen-reader-text">Posted on</span>', 'Used before publish date.', 'twentyfifteen' ) ),
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esc_url( get_permalink() ),
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$time_string
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);
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}
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if ( 'post' == get_post_type() ) {
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if ( is_singular() || is_multi_author() ) {
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printf( '<span class="byline"><span class="author vcard">%1$s<a class="url fn n" href="%2$s">%3$s</a></span></span>',
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sprintf( _x( '<span class="screen-reader-text">Author</span>', 'Used before post author name.', 'twentyfifteen' ) ),
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esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
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esc_html( get_the_author() )
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);
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}
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$categories_list = get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfifteen' ) );
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if ( $categories_list && twentyfifteen_categorized_blog() ) {
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printf( '<span class="cat-links">%1$s%2$s</span>',
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sprintf( _x( '<span class="screen-reader-text">Categories</span>', 'Used before category names.', 'twentyfifteen' ) ),
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$categories_list
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);
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}
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$tags_list = get_the_tag_list( '', _x( ', ', 'Used between list items, there is a space after the comma.', 'twentyfifteen' ) );
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if ( $tags_list ) {
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printf( '<span class="tags-links">%1$s%2$s</span>',
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sprintf( _x( '<span class="screen-reader-text">Tags</span>', 'Used before tag names.', 'twentyfifteen' ) ),
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$tags_list
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);
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}
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}
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if ( is_attachment() && wp_attachment_is_image() ) {
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// Retrieve attachment metadata.
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$metadata = wp_get_attachment_metadata();
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printf( '<span class="full-size-link">%1$s<a href="%2$s">%3$s × %4$s</a></span>',
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sprintf( _x( '<span class="screen-reader-text">Full size</span>', 'Used before full size attachment link.', 'twentyfifteen' ) ),
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esc_url( wp_get_attachment_url() ),
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$metadata['width'],
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$metadata['height']
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);
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}
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if ( ! is_single() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
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echo '<span class="comments-link">';
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comments_popup_link( esc_html__( 'Leave a comment', 'twentyfifteen' ), esc_html__( '1 Comment', 'twentyfifteen' ), esc_html__( '% Comments', 'twentyfifteen' ) );
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echo '</span>';
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}
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}
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endif;
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/**
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* Returns true if a blog has more than 1 category.
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*
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* @since Twenty Fifteen 1.0
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*
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* @return bool
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*/
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function twentyfifteen_categorized_blog() {
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if ( false === ( $all_the_cool_cats = get_transient( 'twentyfifteen_categories' ) ) ) {
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// Create an array of all the categories that are attached to posts.
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$all_the_cool_cats = get_categories( array(
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'fields' => 'ids',
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'hide_empty' => 1,
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// We only need to know if there is more than one category.
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'number' => 2,
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) );
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// Count the number of categories that are attached to the posts.
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$all_the_cool_cats = count( $all_the_cool_cats );
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set_transient( 'twentyfifteen_categories', $all_the_cool_cats );
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}
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if ( $all_the_cool_cats > 1 ) {
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// This blog has more than 1 category so twentyfifteen_categorized_blog should return true.
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return true;
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} else {
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// This blog has only 1 category so twentyfifteen_categorized_blog should return false.
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return false;
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}
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}
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/**
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* Flush out the transients used in twentyfifteen_categorized_blog.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_category_transient_flusher() {
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// Like, beat it. Dig?
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delete_transient( 'twentyfifteen_categories' );
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}
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add_action( 'edit_category', 'twentyfifteen_category_transient_flusher' );
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add_action( 'save_post', 'twentyfifteen_category_transient_flusher' );
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if ( ! function_exists( 'twentyfifteen_post_thumbnail' ) ) :
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/**
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* Display an optional post thumbnail.
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*
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* Wraps the post thumbnail in an anchor element on index views, or a div
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* element when on single views.
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*
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* @since Twenty Fifteen 1.0
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*/
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function twentyfifteen_post_thumbnail() {
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if ( post_password_required() || is_attachment() || ! has_post_thumbnail() ) {
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return;
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}
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if ( is_singular() ) :
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?>
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<div class="post-thumbnail">
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<?php the_post_thumbnail(); ?>
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</div><!-- .post-thumbnail -->
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<?php else : ?>
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<a class="post-thumbnail" href="<?php the_permalink(); ?>">
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<?php the_post_thumbnail(); ?>
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</a>
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<?php endif; // End is_singular()
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}
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endif;
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if ( ! function_exists( 'twentyfifteen_get_link_url' ) ) :
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/**
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* Return the post URL.
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*
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* Falls back to the post permalink if no URL is found in the post.
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*
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* @since Twenty Fifteen 1.0
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* @uses get_url_in_content()
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*
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* @return string The Link format URL.
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*/
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function twentyfifteen_get_link_url() {
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$has_url = get_url_in_content( get_the_content() );
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return $has_url ? $has_url : apply_filters( 'the_permalink', get_permalink() );
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}
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endif;
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