Accessibility: Make sure the navigation ARIA landmarks used for posts and comments navigation are properly labelled.
The `<nav>` element defines an ARIA landmark by default: landmarks help assistive technology users to perceive the page main sections and jump through them. However, when a landmark is used more than once in a page, it needs to be distinguished from the other ones to let users understand what the landmark is about. Adds an `aria-label` parameter to the following functions: - `_navigation_markup()` - `get_the_post_navigatio()` - `get_the_posts_navigation()` - `get_the_posts_pagination()` - `get_the_comments_navigation()` - `get_the_comments_pagination()` Props sabernhardt, williampatton, SergeyBiryukov, audrasjb. Fixes #47123. Built from https://develop.svn.wordpress.org/trunk@46236 git-svn-id: http://core.svn.wordpress.org/trunk@46048 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrea Fercia
parent
428600fb93
commit
b38b3de275
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@ -2544,6 +2544,7 @@ function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) {
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*
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* @since 4.1.0
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* @since 4.4.0 Introduced the `in_same_term`, `excluded_terms`, and `taxonomy` arguments.
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* @since 5.3.0 Added the `aria_label` parameter.
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*
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* @param array $args {
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* Optional. Default post navigation arguments. Default empty array.
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@ -2553,11 +2554,17 @@ function posts_nav_link( $sep = '', $prelabel = '', $nxtlabel = '' ) {
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* @type bool $in_same_term Whether link should be in a same taxonomy term. Default false.
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* @type array|string $excluded_terms Array or comma-separated list of excluded term IDs. Default empty.
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* @type string $taxonomy Taxonomy, if `$in_same_term` is true. Default 'category'.
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* @type string $screen_reader_text Screen reader text for nav element. Default 'Post navigation'.
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* @type string $screen_reader_text Screen reader text for the nav element. Default 'Post navigation'.
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* @type string $aria_label ARIA label text for the nav element. Default 'Posts'.
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* }
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* @return string Markup for post links.
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*/
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function get_the_post_navigation( $args = array() ) {
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// Make sure the nav element has an aria-label attribute: fallback to the screen reader text.
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if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) {
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$args['aria_label'] = $args['screen_reader_text'];
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}
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$args = wp_parse_args(
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$args,
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array(
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@ -2567,6 +2574,7 @@ function get_the_post_navigation( $args = array() ) {
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'excluded_terms' => '',
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'taxonomy' => 'category',
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'screen_reader_text' => __( 'Post navigation' ),
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'aria_label' => __( 'Posts' ),
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)
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);
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@ -2590,7 +2598,7 @@ function get_the_post_navigation( $args = array() ) {
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// Only add markup if there's somewhere to navigate to.
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if ( $previous || $next ) {
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$navigation = _navigation_markup( $previous . $next, 'post-navigation', $args['screen_reader_text'] );
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$navigation = _navigation_markup( $previous . $next, 'post-navigation', $args['screen_reader_text'], $args['aria_label'] );
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}
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return $navigation;
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@ -2612,6 +2620,7 @@ function the_post_navigation( $args = array() ) {
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* Returns the navigation to next/previous set of posts, when applicable.
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*
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* @since 4.1.0
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* @since 5.3.0 Added the `aria_label` parameter.
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*
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* @global WP_Query $wp_query WordPress Query object.
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*
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@ -2622,8 +2631,9 @@ function the_post_navigation( $args = array() ) {
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* Default 'Older posts'.
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* @type string $next_text Anchor text to display in the next posts link.
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* Default 'Newer posts'.
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* @type string $screen_reader_text Screen reader text for nav element.
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* @type string $screen_reader_text Screen reader text for the nav element.
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* Default 'Posts navigation'.
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* @type string $aria_label ARIA label text for the nav element. Default 'Posts'.
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* }
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* @return string Markup for posts links.
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*/
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@ -2632,12 +2642,18 @@ function get_the_posts_navigation( $args = array() ) {
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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 > 1 ) {
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// Make sure the nav element has an aria-label attribute: fallback to the screen reader text.
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if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) {
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$args['aria_label'] = $args['screen_reader_text'];
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}
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$args = wp_parse_args(
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$args,
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array(
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'prev_text' => __( 'Older posts' ),
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'next_text' => __( 'Newer posts' ),
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'screen_reader_text' => __( 'Posts navigation' ),
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'aria_label' => __( 'Posts' ),
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)
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);
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@ -2652,7 +2668,7 @@ function get_the_posts_navigation( $args = array() ) {
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$navigation .= '<div class="nav-next">' . $next_link . '</div>';
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}
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$navigation = _navigation_markup( $navigation, 'posts-navigation', $args['screen_reader_text'] );
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$navigation = _navigation_markup( $navigation, 'posts-navigation', $args['screen_reader_text'], $args['aria_label'] );
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}
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return $navigation;
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@ -2674,12 +2690,14 @@ function the_posts_navigation( $args = array() ) {
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* Retrieves a paginated navigation to next/previous set of posts, when applicable.
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*
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* @since 4.1.0
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* @since 5.3.0 Added the `aria_label` parameter.
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*
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* @param array $args {
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* Optional. Default pagination arguments, see paginate_links().
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*
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* @type string $screen_reader_text Screen reader text for navigation element.
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* Default 'Posts navigation'.
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* @type string $aria_label ARIA label text for the nav element. Default 'Posts'.
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* }
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* @return string Markup for pagination links.
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*/
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@ -2688,6 +2706,11 @@ function get_the_posts_pagination( $args = array() ) {
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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 > 1 ) {
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// Make sure the nav element has an aria-label attribute: fallback to the screen reader text.
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if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) {
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$args['aria_label'] = $args['screen_reader_text'];
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}
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$args = wp_parse_args(
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$args,
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array(
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@ -2695,6 +2718,7 @@ function get_the_posts_pagination( $args = array() ) {
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'prev_text' => _x( 'Previous', 'previous set of posts' ),
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'next_text' => _x( 'Next', 'next set of posts' ),
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'screen_reader_text' => __( 'Posts navigation' ),
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'aria_label' => __( 'Posts' ),
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)
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);
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@ -2707,7 +2731,7 @@ function get_the_posts_pagination( $args = array() ) {
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$links = paginate_links( $args );
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if ( $links ) {
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$navigation = _navigation_markup( $links, 'pagination', $args['screen_reader_text'] );
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$navigation = _navigation_markup( $links, 'pagination', $args['screen_reader_text'], $args['aria_label'] );
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}
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}
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@ -2730,20 +2754,25 @@ function the_posts_pagination( $args = array() ) {
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* Wraps passed links in navigational markup.
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*
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* @since 4.1.0
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* @since 5.3.0 Added the `aria_label` parameter.
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* @access private
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*
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* @param string $links Navigational links.
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* @param string $class Optional. Custom class for nav element. Default: 'posts-navigation'.
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* @param string $screen_reader_text Optional. Screen reader text for nav element. Default: 'Posts navigation'.
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* @param string $class Optional. Custom class for the nav element. Default: 'posts-navigation'.
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* @param string $screen_reader_text Optional. Screen reader text for the nav element. Default: 'Posts navigation'.
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* @param string $aria_label Optional. ARIA label for the nav element. Default: same value as $screen_reader_text.
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* @return string Navigation template tag.
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*/
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function _navigation_markup( $links, $class = 'posts-navigation', $screen_reader_text = '' ) {
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function _navigation_markup( $links, $class = 'posts-navigation', $screen_reader_text = '', $aria_label = '' ) {
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if ( empty( $screen_reader_text ) ) {
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$screen_reader_text = __( 'Posts navigation' );
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}
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if ( empty( $aria_label ) ) {
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$aria_label = $screen_reader_text;
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}
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$template = '
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<nav class="navigation %1$s" role="navigation">
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<nav class="navigation %1$s" role="navigation" aria-label="%4$s">
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<h2 class="screen-reader-text">%2$s</h2>
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<div class="nav-links">%3$s</div>
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</nav>';
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@ -2752,10 +2781,10 @@ function _navigation_markup( $links, $class = 'posts-navigation', $screen_reader
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* Filters the navigation markup template.
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*
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* Note: The filtered template HTML must contain specifiers for the navigation
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* class (%1$s), the screen-reader-text value (%2$s), and placement of the
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* navigation links (%3$s):
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* class (%1$s), the screen-reader-text value (%2$s), placement of the navigation
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* links (%3$s), and ARIA label text if screen-reader-text does not fit that (%4$s):
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*
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* <nav class="navigation %1$s" role="navigation">
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* <nav class="navigation %1$s" role="navigation" aria-label="%4$s">
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* <h2 class="screen-reader-text">%2$s</h2>
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* <div class="nav-links">%3$s</div>
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* </nav>
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@ -2768,7 +2797,7 @@ function _navigation_markup( $links, $class = 'posts-navigation', $screen_reader
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*/
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$template = apply_filters( 'navigation_markup_template', $template, $class );
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return sprintf( $template, sanitize_html_class( $class ), esc_html( $screen_reader_text ), $links );
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return sprintf( $template, sanitize_html_class( $class ), esc_html( $screen_reader_text ), $links, esc_html( $aria_label ) );
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}
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/**
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@ -2977,6 +3006,7 @@ function paginate_comments_links( $args = array() ) {
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* Retrieves navigation to next/previous set of comments, when applicable.
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*
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* @since 4.4.0
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* @since 5.3.0 Added the `aria_label` parameter.
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*
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* @param array $args {
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* Optional. Default comments navigation arguments.
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@ -2985,7 +3015,8 @@ function paginate_comments_links( $args = array() ) {
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* Default 'Older comments'.
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* @type string $next_text Anchor text to display in the next comments link.
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* Default 'Newer comments'.
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* @type string $screen_reader_text Screen reader text for nav element. Default 'Comments navigation'.
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* @type string $screen_reader_text Screen reader text for the nav element. Default 'Comments navigation'.
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* @type string $aria_label ARIA label text for the nav element. Default 'Comments'.
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* }
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* @return string Markup for comments links.
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*/
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@ -2994,12 +3025,18 @@ function get_the_comments_navigation( $args = array() ) {
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// Are there comments to navigate through?
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if ( get_comment_pages_count() > 1 ) {
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// Make sure the nav element has an aria-label attribute: fallback to the screen reader text.
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if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) {
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$args['aria_label'] = $args['screen_reader_text'];
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}
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$args = wp_parse_args(
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$args,
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array(
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'prev_text' => __( 'Older comments' ),
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'next_text' => __( 'Newer comments' ),
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'screen_reader_text' => __( 'Comments navigation' ),
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'aria_label' => __( 'Comments' ),
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)
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);
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@ -3014,7 +3051,7 @@ function get_the_comments_navigation( $args = array() ) {
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$navigation .= '<div class="nav-next">' . $next_link . '</div>';
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}
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$navigation = _navigation_markup( $navigation, 'comment-navigation', $args['screen_reader_text'] );
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$navigation = _navigation_markup( $navigation, 'comment-navigation', $args['screen_reader_text'], $args['aria_label'] );
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}
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return $navigation;
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@ -3035,22 +3072,31 @@ function the_comments_navigation( $args = array() ) {
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* Retrieves a paginated navigation to next/previous set of comments, when applicable.
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*
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* @since 4.4.0
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* @since 5.3.0 Added the `aria_label` parameter.
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*
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* @see paginate_comments_links()
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*
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* @param array $args {
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* Optional. Default pagination arguments.
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*
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* @type string $screen_reader_text Screen reader text for nav element. Default 'Comments navigation'.
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* @type string $screen_reader_text Screen reader text for the nav element. Default 'Comments navigation'.
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* @type string $aria_label ARIA label text for the nav element. Default 'Comments'.
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* }
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* @return string Markup for pagination links.
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*/
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function get_the_comments_pagination( $args = array() ) {
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$navigation = '';
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// Make sure the nav element has an aria-label attribute: fallback to the screen reader text.
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if ( ! empty( $args['screen_reader_text'] ) && empty( $args['aria_label'] ) ) {
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$args['aria_label'] = $args['screen_reader_text'];
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}
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$args = wp_parse_args(
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$args,
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array(
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'screen_reader_text' => __( 'Comments navigation' ),
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'aria_label' => __( 'Comments' ),
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)
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);
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$args['echo'] = false;
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@ -3063,7 +3109,7 @@ function get_the_comments_pagination( $args = array() ) {
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$links = paginate_comments_links( $args );
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if ( $links ) {
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$navigation = _navigation_markup( $links, 'comments-pagination', $args['screen_reader_text'] );
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$navigation = _navigation_markup( $links, 'comments-pagination', $args['screen_reader_text'], $args['aria_label'] );
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}
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return $navigation;
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@ -13,7 +13,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '5.3-alpha-46235';
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$wp_version = '5.3-alpha-46236';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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