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<title>[36323] trunk: Populate term cache with proper clone of term objects.</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/36323">36323</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/36323","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>boonebgorges</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2016-01-15 19:34:16 +0000 (Fri, 15 Jan 2016)</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'>Populate term cache with proper clone of term objects.
<a href="https://core.trac.wordpress.org/changeset/34999">[34999]</a> modified the cache strategy for terms in the context of
`wp_get_object_terms()`. As part of these changes, the `object_id` property of
term objects had to be unset before being cached. To avoid modifying passed-by-
reference terms, `update_term_cache()` attempted to make a copy of the terms
passed to the function; however, it failed to use the `clone` keyword, and thus
only created a reference instead of a copy.
Props berengerzyla.
Fixes <a href="https://core.trac.wordpress.org/ticket/35462">#35462</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludestaxonomyphp">trunk/src/wp-includes/taxonomy.php</a></li>
<li><a href="#trunktestsphpunitteststermcachephp">trunk/tests/phpunit/tests/term/cache.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpincludestaxonomyphp"></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/taxonomy.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/taxonomy.php 2016-01-15 19:32:23 UTC (rev 36322)
+++ trunk/src/wp-includes/taxonomy.php 2016-01-15 19:34:16 UTC (rev 36323)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3721,7 +3721,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> function update_term_cache( $terms, $taxonomy = '' ) {
</span><span class="cx" style="display: block; padding: 0 10px"> foreach ( (array) $terms as $term ) {
</span><span class="cx" style="display: block; padding: 0 10px"> // Create a copy in case the array was passed by reference.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $_term = $term;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $_term = clone $term;
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Object ID should not be cached.
</span><span class="cx" style="display: block; padding: 0 10px"> unset( $_term->object_id );
</span></span></pre></div>
<a id="trunktestsphpunitteststermcachephp"></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/term/cache.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/term/cache.php 2016-01-15 19:32:23 UTC (rev 36322)
+++ trunk/tests/phpunit/tests/term/cache.php 2016-01-15 19:34:16 UTC (rev 36323)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -200,4 +200,23 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> _unregister_taxonomy( 'wptests_tax' );
</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 35462
+ */
+ public function test_term_objects_should_not_be_modified_by_update_term_cache() {
+ register_taxonomy( 'wptests_tax', 'post' );
+ $t = self::factory()->term->create( array( 'taxonomy' => 'wptests_tax' ) );
+ $p = self::factory()->post->create();
+
+ wp_set_object_terms( $p, $t, 'wptests_tax' );
+
+ $terms = wp_get_object_terms( $p, 'wptests_tax', array( 'fields' => 'all_with_object_id' ) );
+
+ update_term_cache( $terms );
+
+ foreach ( $terms as $term ) {
+ $this->assertSame( $p, $term->object_id );
+ }
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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