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<title>[47371] trunk/src/wp-includes/widgets: Widgets: Create a unique HTML ID for the `<ul>` element of Recent Comments widget if more than one instance is displayed on the page.</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/47371">47371</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/47371","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>2020-02-25 19:27:22 +0000 (Tue, 25 Feb 2020)</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'>Widgets: Create a unique HTML ID for the `<ul>` element of Recent Comments widget if more than one instance is displayed on the page.
Props peterwilsoncc, audrasjb, birgire, justinahinon, mbrailer, desrosj.
Fixes <a href="https://core.trac.wordpress.org/ticket/46747">#46747</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludeswidgetsclasswpwidgetcategoriesphp">trunk/src/wp-includes/widgets/class-wp-widget-categories.php</a></li>
<li><a href="#trunksrcwpincludeswidgetsclasswpwidgetrecentcommentsphp">trunk/src/wp-includes/widgets/class-wp-widget-recent-comments.php</a></li>
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<h3>Diff</h3>
<a id="trunksrcwpincludeswidgetsclasswpwidgetcategoriesphp"></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/widgets/class-wp-widget-categories.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/widgets/class-wp-widget-categories.php 2020-02-25 18:31:33 UTC (rev 47370)
+++ trunk/src/wp-includes/widgets/class-wp-widget-categories.php 2020-02-25 19:27:22 UTC (rev 47371)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -34,6 +34,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * Outputs the content for the current Categories widget instance.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 2.8.0
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @since 4.2.0 Creates a unique HTML ID for the `<select>` element
+ * if more than one instance is displayed on the page.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @staticvar bool $first_dropdown
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span></span></pre></div>
<a id="trunksrcwpincludeswidgetsclasswpwidgetrecentcommentsphp"></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/widgets/class-wp-widget-recent-comments.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/widgets/class-wp-widget-recent-comments.php 2020-02-25 18:31:33 UTC (rev 47370)
+++ trunk/src/wp-includes/widgets/class-wp-widget-recent-comments.php 2020-02-25 19:27:22 UTC (rev 47371)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -66,12 +66,18 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * Outputs the content for the current Recent Comments widget instance.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 2.8.0
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @since 5.4.0 Creates a unique HTML ID for the `<ul>` element
+ * if more than one instance is displayed on the page.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @staticvar bool $first_instance
+ *
</ins><span class="cx" style="display: block; padding: 0 10px"> * @param array $args Display arguments including 'before_title', 'after_title',
</span><span class="cx" style="display: block; padding: 0 10px"> * 'before_widget', and 'after_widget'.
</span><span class="cx" style="display: block; padding: 0 10px"> * @param array $instance Settings for the current Recent Comments widget instance.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> public function widget( $args, $instance ) {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ static $first_instance = true;
+
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( ! isset( $args['widget_id'] ) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $args['widget_id'] = $this->id;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -116,7 +122,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $output .= $args['before_title'] . $title . $args['after_title'];
</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">- $output .= '<ul id="recentcomments">';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $recent_comments_id = ( $first_instance ) ? 'recentcomments' : "recentcomments-{$this->number}";
+ $first_instance = false;
+
+ $output .= '<ul id="' . esc_attr( $recent_comments_id ) . '">';
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( is_array( $comments ) && $comments ) {
</span><span class="cx" style="display: block; padding: 0 10px"> // Prime cache for associated posts. (Prime post term cache if we need it for permalinks.)
</span><span class="cx" style="display: block; padding: 0 10px"> $post_ids = array_unique( wp_list_pluck( $comments, 'comment_post_ID' ) );
</span></span></pre>
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