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<title>[44957] trunk/src/wp-includes/class-walker-category.php: Accessibility: Introduce `category_list_link_attributes` filter in `Walker_Category::start_el()` for the HTML attributes applied to a category list item's anchor element.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/44957">44957</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/44957","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2019-03-21 10:36:22 +0000 (Thu, 21 Mar 2019)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Accessibility: Introduce `category_list_link_attributes` filter in `Walker_Category::start_el()` for the HTML attributes applied to a category list item's anchor element.
This complements the `page_menu_link_attributes` filter in `Walker_Page::start_el()` and the `nav_menu_link_attributes` filter in `Walker_Nav_Menu::start_el()`.
Props pbiron, audrasjb, afercia.
Fixes <a href="https://core.trac.wordpress.org/ticket/40666">#40666</a>. See <a href="https://core.trac.wordpress.org/ticket/40359">#40359</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesclasswalkercategoryphp">trunk/src/wp-includes/class-walker-category.php</a></li>
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<h3>Diff</h3>
<a id="trunksrcwpincludesclasswalkercategoryphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/class-walker-category.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-walker-category.php 2019-03-21 09:19:14 UTC (rev 44956)
+++ trunk/src/wp-includes/class-walker-category.php 2019-03-21 10:36:22 UTC (rev 44957)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -108,7 +108,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> return;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $link = '<a href="' . esc_url( get_term_link( $category ) ) . '" ';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $atts = array();
+ $atts['href'] = get_term_link( $category );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( $args['use_desc_for_title'] && ! empty( $category->description ) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Filters the category description for display.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -118,12 +120,41 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $description Category description.
</span><span class="cx" style="display: block; padding: 0 10px"> * @param object $category Category object.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $link .= 'title="' . esc_attr( strip_tags( apply_filters( 'category_description', $category->description, $category ) ) ) . '"';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $atts['title'] = strip_tags( apply_filters( 'category_description', $category->description, $category ) );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $link .= '>';
- $link .= $cat_name . '</a>';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /**
+ * Filters the HTML attributes applied to a category list item's anchor element.
+ *
+ * @since 5.2.0
+ *
+ * @param array $atts {
+ * The HTML attributes applied to the list item's `<a>` element, empty strings are ignored.
+ *
+ * @type string $href The href attribute.
+ * @type string $title The title attribute.
+ * }
+ * @param WP_Term $category Term data object.
+ * @param int $depth Depth of category, used for padding.
+ * @param array $args An array of arguments.
+ * @param int $id ID of the current category.
+ */
+ $atts = apply_filters( 'category_list_link_attributes', $atts, $category, $depth, $args, $id );
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $attributes = '';
+ foreach ( $atts as $attr => $value ) {
+ if ( ! empty( $value ) ) {
+ $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
+ $attributes .= ' ' . $attr . '="' . $value . '"';
+ }
+ }
+
+ $link = sprintf(
+ '<a%s>%s</a>',
+ $attributes,
+ $cat_name
+ );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( ! empty( $args['feed_image'] ) || ! empty( $args['feed'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $link .= ' ';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -134,6 +165,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $link .= '<a href="' . esc_url( get_term_feed_link( $category->term_id, $category->taxonomy, $args['feed_type'] ) ) . '"';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if ( empty( $args['feed'] ) ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /* translators: %s: category name */
</ins><span class="cx" style="display: block; padding: 0 10px"> $alt = ' alt="' . sprintf( __( 'Feed for all posts filed under %s' ), $cat_name ) . '"';
</span><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="cx" style="display: block; padding: 0 10px"> $alt = ' alt="' . $args['feed'] . '"';
</span></span></pre>
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