www.gusucode.com > wordpress PHP博客系统英文版 v4.5.1PHP源码程序 > wordpress PHP博客系统英文版 v4.5.1/wordpress/wordpress/wp-content/themes/twentysixteen/inc/template-tags.php
<?php
/**
* Custom Twenty Sixteen template tags
*
* Eventually, some of the functionality here could be replaced by core features.
*
* @package WordPress
* @subpackage Twenty_Sixteen
* @since Twenty Sixteen 1.0
*/
if ( ! function_exists( 'twentysixteen_entry_meta' ) ) :
/**
* Prints HTML with meta information for the categories, tags.
*
* Create your own twentysixteen_entry_meta() function to override in a child theme.
*
* @since Twenty Sixteen 1.0
*/
function twentysixteen_entry_meta() {
if ( 'post' === get_post_type() ) {
$author_avatar_size = apply_filters( 'twentysixteen_author_avatar_size', 49 );
printf( '<span class="byline"><span class="author vcard">%1$s<span class="screen-reader-text">%2$s </span> <a class="url fn n" href="%3$s">%4$s</a></span></span>',
get_avatar( get_the_author_meta( 'user_email' ), $author_avatar_size ),
_x( 'Author', 'Used before post author name.', 'twentysixteen' ),
esc_url( get_author_posts_url( get_the_author_meta( 'ID' ) ) ),
get_the_author()
);
}
if ( in_array( get_post_type(), array( 'post', 'attachment' ) ) ) {
twentysixteen_entry_date();
}
$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.', 'twentysixteen' ) ),
esc_url( get_post_format_link( $format ) ),
get_post_format_string( $format )
);
}
if ( 'post' === get_post_type() ) {
twentysixteen_entry_taxonomies();
}
if ( ! is_singular() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
echo '<span class="comments-link">';
comments_popup_link( sprintf( __( 'Leave a comment<span class="screen-reader-text"> on %s</span>', 'twentysixteen' ), get_the_title() ) );
echo '</span>';
}
}
endif;
if ( ! function_exists( 'twentysixteen_entry_date' ) ) :
/**
* Prints HTML with date information for current post.
*
* Create your own twentysixteen_entry_date() function to override in a child theme.
*
* @since Twenty Sixteen 1.0
*/
function twentysixteen_entry_date() {
$time_string = '<time class="entry-date published updated" datetime="%1$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.', 'twentysixteen' ),
esc_url( get_permalink() ),
$time_string
);
}
endif;
if ( ! function_exists( 'twentysixteen_entry_taxonomies' ) ) :
/**
* Prints HTML with category and tags for current post.
*
* Create your own twentysixteen_entry_taxonomies() function to override in a child theme.
*
* @since Twenty Sixteen 1.0
*/
function twentysixteen_entry_taxonomies() {
$categories_list = get_the_category_list( _x( ', ', 'Used between list items, there is a space after the comma.', 'twentysixteen' ) );
if ( $categories_list && twentysixteen_categorized_blog() ) {
printf( '<span class="cat-links"><span class="screen-reader-text">%1$s </span>%2$s</span>',
_x( 'Categories', 'Used before category names.', 'twentysixteen' ),
$categories_list
);
}
$tags_list = get_the_tag_list( '', _x( ', ', 'Used between list items, there is a space after the comma.', 'twentysixteen' ) );
if ( $tags_list ) {
printf( '<span class="tags-links"><span class="screen-reader-text">%1$s </span>%2$s</span>',
_x( 'Tags', 'Used before tag names.', 'twentysixteen' ),
$tags_list
);
}
}
endif;
if ( ! function_exists( 'twentysixteen_post_thumbnail' ) ) :
/**
* Displays an optional post thumbnail.
*
* Wraps the post thumbnail in an anchor element on index views, or a div
* element when on single views.
*
* Create your own twentysixteen_post_thumbnail() function to override in a child theme.
*
* @since Twenty Sixteen 1.0
*/
function twentysixteen_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' => the_title_attribute( 'echo=0' ) ) ); ?>
</a>
<?php endif; // End is_singular()
}
endif;
if ( ! function_exists( 'twentysixteen_excerpt' ) ) :
/**
* Displays the optional excerpt.
*
* Wraps the excerpt in a div element.
*
* Create your own twentysixteen_excerpt() function to override in a child theme.
*
* @since Twenty Sixteen 1.0
*
* @param string $class Optional. Class string of the div element. Defaults to 'entry-summary'.
*/
function twentysixteen_excerpt( $class = 'entry-summary' ) {
$class = esc_attr( $class );
if ( has_excerpt() || is_search() ) : ?>
<div class="<?php echo $class; ?>">
<?php the_excerpt(); ?>
</div><!-- .<?php echo $class; ?> -->
<?php endif;
}
endif;
if ( ! function_exists( 'twentysixteen_excerpt_more' ) && ! is_admin() ) :
/**
* Replaces "[...]" (appended to automatically generated excerpts) with ... and
* a 'Continue reading' link.
*
* Create your own twentysixteen_excerpt_more() function to override in a child theme.
*
* @since Twenty Sixteen 1.0
*
* @return string 'Continue reading' link prepended with an ellipsis.
*/
function twentysixteen_excerpt_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<span class="screen-reader-text"> "%s"</span>', 'twentysixteen' ), get_the_title( get_the_ID() ) )
);
return ' … ' . $link;
}
add_filter( 'excerpt_more', 'twentysixteen_excerpt_more' );
endif;
/**
* Determines whether blog/site has more than one category.
*
* Create your own twentysixteen_categorized_blog() function to override in a child theme.
*
* @since Twenty Sixteen 1.0
*
* @return bool True if there is more than one category, false otherwise.
*/
function twentysixteen_categorized_blog() {
if ( false === ( $all_the_cool_cats = get_transient( 'twentysixteen_categories' ) ) ) {
// Create an array of all the categories that are attached to posts.
$all_the_cool_cats = get_categories( array(
'fields' => 'ids',
// 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( 'twentysixteen_categories', $all_the_cool_cats );
}
if ( $all_the_cool_cats > 1 ) {
// This blog has more than 1 category so twentysixteen_categorized_blog should return true.
return true;
} else {
// This blog has only 1 category so twentysixteen_categorized_blog should return false.
return false;
}
}
/**
* Flushes out the transients used in twentysixteen_categorized_blog().
*
* @since Twenty Sixteen 1.0
*/
function twentysixteen_category_transient_flusher() {
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return;
}
// Like, beat it. Dig?
delete_transient( 'twentysixteen_categories' );
}
add_action( 'edit_category', 'twentysixteen_category_transient_flusher' );
add_action( 'save_post', 'twentysixteen_category_transient_flusher' );
if ( ! function_exists( 'twentysixteen_the_custom_logo' ) ) :
/**
* Displays the optional custom logo.
*
* Does nothing if the custom logo is not available.
*
* @since Twenty Sixteen 1.2
*/
function twentysixteen_the_custom_logo() {
if ( function_exists( 'the_custom_logo' ) ) {
the_custom_logo();
}
}
endif;