post_parent ) : get_adjacent_post( false, '', true );
$next = get_adjacent_post( false, '', false );
if ( ! $next && ! $previous ) {
return;
}
// Don't print empty markup in archives if there's only one page.
if ( $wp_query->max_num_pages < 2 && ( is_home() || is_archive() || is_search() ) ) {
return;
}
$nav_class = ( is_single() ) ? 'navigation-post' : 'navigation-paging';
?>
%2$s';
if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) {
$time_string = '';
}
$time_string = sprintf( $time_string,
esc_attr( get_the_date( 'c' ) ),
esc_html( get_the_date() ),
esc_attr( get_the_modified_date( 'c' ) ),
esc_html( get_the_modified_date() )
);
$posted_on = sprintf(
esc_html_x( 'Posted on %s', 'post date', 'libretto' ),
'' . $time_string . ''
);
// Since this is being called outside the Loop on single post pages, we need
// to use a workaround in order to access author info
if ( is_singular() ) :
$author_id = get_queried_object()->post_author;
$author_url = get_author_posts_url( $author_id );
$author_name = get_the_author_meta( 'display_name', $author_id );
// Anywhere else we're inside the Loop, and we can do stuff like normal
else :
$author_url = get_author_posts_url( get_the_author_meta( 'ID' ) );
$author_name = get_the_author();
endif;
$byline = sprintf(
esc_html_x( 'by %s', 'post author', 'libretto' ),
'' . esc_html( $author_name ) . ''
);
echo '' . $posted_on . ' ' . $byline . ''; // WPCS: XSS OK.
}
endif;
if ( ! function_exists( 'libretto_entry_footer' ) ) :
/**
* Prints HTML with meta information for the categories, tags and comments.
*/
function libretto_entry_footer() {
// Hide category and tag text for pages.
if ( 'post' === get_post_type() ) {
/* translators: used between list items, there is a space after the comma */
$categories_list = get_the_category_list( esc_html__( ', ', 'libretto' ) );
if ( $categories_list && libretto_categorized_blog() ) {
printf( '' . esc_html__( 'Posted in %1$s', 'libretto' ) . '', $categories_list ); // WPCS: XSS OK.
}
/* translators: used between list items, there is a space after the comma */
the_tags( sprintf( '%s ', esc_html__( 'Tagged', 'libretto' ) ), esc_html__( ', ', 'libretto' ), '' );
}
if ( ! is_single() && ! post_password_required() && ( comments_open() || get_comments_number() ) ) {
echo '';
}
edit_post_link( esc_html__( 'Edit', 'libretto' ), '', '' );
}
endif;
if ( ! function_exists( 'the_archive_title' ) ) :
/**
* Shim for `the_archive_title()`.
*
* Display the archive title based on the queried object.
*
* @todo Remove this function when WordPress 4.3 is released.
*
* @param string $before Optional. Content to prepend to the title. Default empty.
* @param string $after Optional. Content to append to the title. Default empty.
*/
function the_archive_title( $before = '', $after = '' ) {
$title = '';
if ( is_category() ) {
$title = sprintf( esc_html__( 'Category: %s', 'libretto' ), single_cat_title( '', false ) );
} elseif ( is_tag() ) {
$title = sprintf( esc_html__( 'Tag: %s', 'libretto' ), single_tag_title( '', false ) );
} elseif ( is_author() ) {
$title = sprintf( esc_html__( 'Author: %s', 'libretto' ), '' . get_the_author() . '' );
} elseif ( is_year() ) {
$title = sprintf( esc_html__( 'Year: %s', 'libretto' ), get_the_date( esc_html_x( 'Y', 'yearly archives date format', 'libretto' ) ) );
} elseif ( is_month() ) {
$title = sprintf( esc_html__( 'Month: %s', 'libretto' ), get_the_date( esc_html_x( 'F Y', 'monthly archives date format', 'libretto' ) ) );
} elseif ( is_day() ) {
$title = sprintf( esc_html__( 'Day: %s', 'libretto' ), get_the_date( esc_html_x( 'F j, Y', 'daily archives date format', 'libretto' ) ) );
} elseif ( is_tax( 'post_format' ) ) {
if ( is_tax( 'post_format', 'post-format-aside' ) ) {
$title = esc_html_x( 'Asides', 'post format archive title', 'libretto' );
} elseif ( is_tax( 'post_format', 'post-format-gallery' ) ) {
$title = esc_html_x( 'Galleries', 'post format archive title', 'libretto' );
} elseif ( is_tax( 'post_format', 'post-format-image' ) ) {
$title = esc_html_x( 'Images', 'post format archive title', 'libretto' );
} elseif ( is_tax( 'post_format', 'post-format-video' ) ) {
$title = esc_html_x( 'Videos', 'post format archive title', 'libretto' );
} elseif ( is_tax( 'post_format', 'post-format-quote' ) ) {
$title = esc_html_x( 'Quotes', 'post format archive title', 'libretto' );
} elseif ( is_tax( 'post_format', 'post-format-link' ) ) {
$title = esc_html_x( 'Links', 'post format archive title', 'libretto' );
} elseif ( is_tax( 'post_format', 'post-format-status' ) ) {
$title = esc_html_x( 'Statuses', 'post format archive title', 'libretto' );
} elseif ( is_tax( 'post_format', 'post-format-audio' ) ) {
$title = esc_html_x( 'Audio', 'post format archive title', 'libretto' );
} elseif ( is_tax( 'post_format', 'post-format-chat' ) ) {
$title = esc_html_x( 'Chats', 'post format archive title', 'libretto' );
}
} elseif ( is_post_type_archive() ) {
$title = sprintf( esc_html__( 'Archives: %s', 'libretto' ), post_type_archive_title( '', false ) );
} elseif ( is_tax() ) {
$tax = get_taxonomy( get_queried_object()->taxonomy );
/* translators: 1: Taxonomy singular name, 2: Current taxonomy term */
$title = sprintf( esc_html__( '%1$s: %2$s', 'libretto' ), $tax->labels->singular_name, single_term_title( '', false ) );
} else {
$title = esc_html__( 'Archives', 'libretto' );
}
/**
* Filter the archive title.
*
* @param string $title Archive title to be displayed.
*/
$title = apply_filters( 'get_the_archive_title', $title );
if ( ! empty( $title ) ) {
echo $before . $title . $after; // WPCS: XSS OK.
}
}
endif;
if ( ! function_exists( 'the_archive_description' ) ) :
/**
* Shim for `the_archive_description()`.
*
* Display category, tag, or term description.
*
* @todo Remove this function when WordPress 4.3 is released.
*
* @param string $before Optional. Content to prepend to the description. Default empty.
* @param string $after Optional. Content to append to the description. Default empty.
*/
function the_archive_description( $before = '', $after = '' ) {
$description = apply_filters( 'get_the_archive_description', term_description() );
if ( ! empty( $description ) ) {
/**
* Filter the archive description.
*
* @see term_description()
*
* @param string $description Archive description to be displayed.
*/
echo $before . $description . $after; // WPCS: XSS OK.
}
}
endif;
/**
* Returns true if a blog has more than 1 category.
*
* @return bool
*/
function libretto_categorized_blog() {
if ( false === ( $all_the_cool_cats = get_transient( 'libretto_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 = is_countable( $all_the_cool_cats ) ? count( $all_the_cool_cats ) : 0;
set_transient( 'libretto_categories', $all_the_cool_cats );
}
if ( $all_the_cool_cats > 1 ) {
// This blog has more than 1 category so _libretto_categorized_blog should return true.
return true;
} else {
// This blog has only 1 category so libretto_categorized_blog should return false.
return false;
}
}
/**
* Flush out the transients used in libretto_categorized_blog.
*/
function libretto_category_transient_flusher() {
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
return;
}
// Like, beat it. Dig?
delete_transient( 'libretto_categories' );
}
add_action( 'edit_category', 'libretto_category_transient_flusher' );
add_action( 'save_post', 'libretto_category_transient_flusher' );