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<title>[50961] trunk: Widgets: Make sure `WP_Widget` constructor creates a correct `classname` value for a namespaced widget class.</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/50961">50961</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/50961","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>2021-05-24 09:50:30 +0000 (Mon, 24 May 2021)</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: Make sure `WP_Widget` constructor creates a correct `classname` value for a namespaced widget class.
This reverts the changes to `id_base` from <a href="https://core.trac.wordpress.org/changeset/50953">[50953]</a> due to backward compatibility concerns, and instead focuses on the `id` and `class` attributes specifically.
With this change, any backslashes in the `id` or `class` attributes for a namespaced widget class are converted to underscores, making it easier to style the output or target the widget with JavaScript.
Follow-up to <a href="https://core.trac.wordpress.org/changeset/50953">[50953]</a>.
Fixes <a href="https://core.trac.wordpress.org/ticket/44098">#44098</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpadminincludeswidgetsphp">trunk/src/wp-admin/includes/widgets.php</a></li>
<li><a href="#trunksrcwpincludesclasswpwidgetphp">trunk/src/wp-includes/class-wp-widget.php</a></li>
<li><a href="#trunksrcwpincludeswidgetsphp">trunk/src/wp-includes/widgets.php</a></li>
<li><a href="#trunktestsphpunittestswidgetsphp">trunk/tests/phpunit/tests/widgets.php</a></li>
</ul>
</div>
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<h3>Diff</h3>
<a id="trunksrcwpadminincludeswidgetsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-admin/includes/widgets.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-admin/includes/widgets.php 2021-05-24 09:49:48 UTC (rev 50960)
+++ trunk/src/wp-admin/includes/widgets.php 2021-05-24 09:50:30 UTC (rev 50961)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -162,7 +162,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $number = 1;
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> foreach ( $wp_registered_widgets as $widget_id => $widget ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( preg_match( '/' . $id_base . '-([0-9]+)$/', $widget_id, $matches ) ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( preg_match( '/' . preg_quote( $id_base, '/' ) . '-([0-9]+)$/', $widget_id, $matches ) ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> $number = max( $number, $matches[1] );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunksrcwpincludesclasswpwidgetphp"></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-wp-widget.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-widget.php 2021-05-24 09:49:48 UTC (rev 50960)
+++ trunk/src/wp-includes/class-wp-widget.php 2021-05-24 09:50:30 UTC (rev 50961)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -164,7 +164,6 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $id_base = strtolower( $id_base );
</span><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="cx" style="display: block; padding: 0 10px"> $id_base = preg_replace( '/(wp_)?widget_/', '', strtolower( get_class( $this ) ) );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $id_base = str_replace( '\\', '-', $id_base );
</del><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $this->id_base = $id_base;
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -173,7 +172,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->widget_options = wp_parse_args(
</span><span class="cx" style="display: block; padding: 0 10px"> $widget_options,
</span><span class="cx" style="display: block; padding: 0 10px"> array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'classname' => $this->option_name,
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'classname' => str_replace( '\\', '_', $this->option_name ),
</ins><span class="cx" style="display: block; padding: 0 10px"> 'customize_selective_refresh' => false,
</span><span class="cx" style="display: block; padding: 0 10px"> )
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span></span></pre></div>
<a id="trunksrcwpincludeswidgetsphp"></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.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/widgets.php 2021-05-24 09:49:48 UTC (rev 50960)
+++ trunk/src/wp-includes/widgets.php 2021-05-24 09:50:30 UTC (rev 50961)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -753,9 +753,14 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $classname_ .= '_' . get_class( $cn );
</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">- $classname_ = ltrim( $classname_, '_' );
- $params[0]['before_widget'] = sprintf( $params[0]['before_widget'], $id, $classname_ );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $classname_ = ltrim( $classname_, '_' );
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $params[0]['before_widget'] = sprintf(
+ $params[0]['before_widget'],
+ str_replace( '\\', '_', $id ),
+ $classname_
+ );
+
</ins><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Filters the parameters passed to a widget's display callback.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span></span></pre></div>
<a id="trunktestsphpunittestswidgetsphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/widgets.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/widgets.php 2021-05-24 09:49:48 UTC (rev 50960)
+++ trunk/tests/phpunit/tests/widgets.php 2021-05-24 09:50:30 UTC (rev 50961)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -428,42 +428,42 @@
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * @ticket 44098
</span><span class="cx" style="display: block; padding: 0 10px"> * @see WP_Widget::__construct()
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @dataProvider data_wp_widget_id_base
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @dataProvider data_wp_widget_classname
</ins><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- function test_wp_widget_id_base( $expected, $widget_class ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ function test_wp_widget_classname( $expected, $widget_class ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> require_once DIR_TESTDATA . '/widgets/custom-widget-classes.php';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $widget = new $widget_class( '', 'Foo' );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $this->assertSame( $expected, $widget->id_base );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $this->assertSame( $expected, $widget->widget_options['classname'] );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><span class="cx" style="display: block; padding: 0 10px"> * Data provider.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Passes the expected `id_base` value and the class name.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Passes the expected `classname` value and the PHP class name.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 5.8.0
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @return array {
</span><span class="cx" style="display: block; padding: 0 10px"> * @type array {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @type string $expected The expected `id_base` value to be returned.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @type string $expected The expected `classname` value to be returned.
</ins><span class="cx" style="display: block; padding: 0 10px"> * @type string $widget_class The widget class name for creating an instance.
</span><span class="cx" style="display: block; padding: 0 10px"> * }
</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">- function data_wp_widget_id_base() {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ function data_wp_widget_classname() {
</ins><span class="cx" style="display: block; padding: 0 10px"> return array(
</span><span class="cx" style="display: block; padding: 0 10px"> array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'search',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'widget_search',
</ins><span class="cx" style="display: block; padding: 0 10px"> 'WP_Widget_Search',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'test-sub-sub-namespaced_widget',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'widget_test_sub_sub_namespaced_widget',
</ins><span class="cx" style="display: block; padding: 0 10px"> 'Test\Sub\Sub\Namespaced_Widget',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> array(
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- 'non_namespaced_widget',
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ 'widget_non_namespaced_widget',
</ins><span class="cx" style="display: block; padding: 0 10px"> 'Non_Namespaced_Widget',
</span><span class="cx" style="display: block; padding: 0 10px"> ),
</span><span class="cx" style="display: block; padding: 0 10px"> );
</span></span></pre>
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