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<title>[35553] trunk: Customize: Fix typo in `WP_Customize_Manager::_cmp_priority()` which caused unstable sorting for same-priority constructs in PHP.</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/35553">35553</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/35553","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>westonruter</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2015-11-06 06:57:53 +0000 (Fri, 06 Nov 2015)</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'>Customize: Fix typo in `WP_Customize_Manager::_cmp_priority()` which caused unstable sorting for same-priority constructs in PHP.
The issue, however, does not manifest in the UI because the UI is now built via JS and the `wp.customize.utils.prioritySort()` algorithm did not have the same typo.
Props bordoni, westonruter.
Fixes <a href="https://core.trac.wordpress.org/ticket/34594">#34594</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesclasswpcustomizemanagerphp">trunk/src/wp-includes/class-wp-customize-manager.php</a></li>
<li><a href="#trunktestsphpunittestscustomizemanagerphp">trunk/tests/phpunit/tests/customize/manager.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpincludesclasswpcustomizemanagerphp"></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-customize-manager.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-customize-manager.php 2015-11-06 00:59:01 UTC (rev 35552)
+++ trunk/src/wp-includes/class-wp-customize-manager.php 2015-11-06 06:57:53 UTC (rev 35553)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1302,7 +1302,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> protected function _cmp_priority( $a, $b ) {
</span><span class="cx" style="display: block; padding: 0 10px"> if ( $a->priority === $b->priority ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- return $a->instance_number - $a->instance_number;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ return $a->instance_number - $b->instance_number;
</ins><span class="cx" style="display: block; padding: 0 10px"> } else {
</span><span class="cx" style="display: block; padding: 0 10px"> return $a->priority - $b->priority;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre></div>
<a id="trunktestsphpunittestscustomizemanagerphp"></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/customize/manager.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/customize/manager.php 2015-11-06 00:59:01 UTC (rev 35552)
+++ trunk/tests/phpunit/tests/customize/manager.php 2015-11-06 06:57:53 UTC (rev 35553)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -397,4 +397,38 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertInstanceOf( 'WP_Customize_Manager', $customize_manager );
</span><span class="cx" style="display: block; padding: 0 10px"> return array( 'nav_menus' );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+ /**
+ * @ticket 30225
+ * @ticket 34594
+ */
+ function test_prepare_controls_stable_sorting() {
+ $manager = new WP_Customize_Manager();
+ $manager->register_controls();
+ $section_id = 'foo-section';
+ wp_set_current_user( self::factory()->user->create( array( 'role' => 'administrator' ) ) );
+ $manager->add_section( $section_id, array(
+ 'title' => 'Section',
+ 'priority' => 1,
+ ) );
+
+ $added_control_ids = array();
+ $count = 9;
+ for ( $i = 0; $i < $count; $i += 1 ) {
+ $id = 'sort-test-' . $i;
+ $added_control_ids[] = $id;
+ $manager->add_setting( $id );
+ $control = new WP_Customize_Control( $manager, $id, array(
+ 'section' => $section_id,
+ 'priority' => 1,
+ 'setting' => $id,
+ ) );
+ $manager->add_control( $control );
+ }
+
+ $manager->prepare_controls();
+
+ $sorted_control_ids = wp_list_pluck( $manager->get_section( $section_id )->controls, 'id' );
+ $this->assertEquals( $added_control_ids, $sorted_control_ids );
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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