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<title>[25257] trunk: Avoid database error when `include` or `exclude` is not really a `term_id`.</title>
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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/25257">25257</a></dd>
<dt>Author</dt> <dd>wonderboymusic</dd>
<dt>Date</dt> <dd>2013-09-05 17:14:54 +0000 (Thu, 05 Sep 2013)</dd>
</dl>
<h3>Log Message</h3>
<pre>Avoid database error when `include` or `exclude` is not really a `term_id`. Adds more unit tests.
Props kovshenin.
Fixes <a href="http://core.trac.wordpress.org/ticket/11823">#11823</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludestaxonomyphp">trunk/src/wp-includes/taxonomy.php</a></li>
<li><a href="#trunktestsphpunitteststermgetTermsphp">trunk/tests/phpunit/tests/term/getTerms.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludestaxonomyphp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-includes/taxonomy.php (25256 => 25257)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-includes/taxonomy.php 2013-09-05 17:04:03 UTC (rev 25256)
+++ trunk/src/wp-includes/taxonomy.php 2013-09-05 17:14:54 UTC (rev 25257)
</span><span class="lines">@@ -1310,9 +1310,10 @@
</span><span class="cx"> $inclusions = implode( ',', wp_parse_id_list( $include ) );
</span><span class="cx"> }
</span><span class="cx">
</span><del>- if ( ! empty( $inclusions ) )
</del><ins>+ if ( ! empty( $inclusions ) ) {
</ins><span class="cx"> $inclusions = ' AND t.term_id IN ( ' . $inclusions . ' )';
</span><del>- $where .= $inclusions;
</del><ins>+ $where .= $inclusions;
+ }
</ins><span class="cx">
</span><span class="cx"> $exclusions = '';
</span><span class="cx"> if ( ! empty( $exclude_tree ) ) {
</span><span class="lines">@@ -1339,8 +1340,10 @@
</span><span class="cx"> $exclusions = ' AND t.term_id NOT IN (' . $exclusions . ')';
</span><span class="cx">
</span><span class="cx"> $exclusions = apply_filters( 'list_terms_exclusions', $exclusions, $args );
</span><del>- $where .= $exclusions;
</del><span class="cx">
</span><ins>+ if ( ! empty( $exclusions ) )
+ $where .= $exclusions;
+
</ins><span class="cx"> if ( !empty($slug) ) {
</span><span class="cx"> $slug = sanitize_title($slug);
</span><span class="cx"> $where .= " AND t.slug = '$slug'";
</span></span></pre></div>
<a id="trunktestsphpunitteststermgetTermsphp"></a>
<div class="modfile"><h4>Modified: trunk/tests/phpunit/tests/term/getTerms.php (25256 => 25257)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/tests/phpunit/tests/term/getTerms.php 2013-09-05 17:04:03 UTC (rev 25256)
+++ trunk/tests/phpunit/tests/term/getTerms.php 2013-09-05 17:14:54 UTC (rev 25257)
</span><span class="lines">@@ -121,10 +121,11 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> /**
</span><del>- * @ti
- * cket 11823
</del><ins>+ * @ticket 11823
</ins><span class="cx"> */
</span><span class="cx"> function test_get_terms_include_exclude() {
</span><ins>+ global $wpdb;
+
</ins><span class="cx"> $term_id1 = $this->factory->tag->create();
</span><span class="cx"> $term_id2 = $this->factory->tag->create();
</span><span class="cx"> $inc_terms = get_terms( 'post_tag', array(
</span><span class="lines">@@ -138,6 +139,16 @@
</span><span class="cx"> 'hide_empty' => false
</span><span class="cx"> ) );
</span><span class="cx"> $this->assertEquals( array(), wp_list_pluck( $exc_terms, 'term_id' ) );
</span><ins>+
+ // These should not generate query errors.
+ get_terms( 'post_tag', array( 'exclude' => array( 0 ), 'hide_empty' => false ) );
+ $this->assertEmpty( $wpdb->last_error );
+
+ get_terms( 'post_tag', array( 'exclude' => array( 'unexpected-string' ), 'hide_empty' => false ) );
+ $this->assertEmpty( $wpdb->last_error );
+
+ get_terms( 'post_tag', array( 'include' => array( 'unexpected-string' ), 'hide_empty' => false ) );
+ $this->assertEmpty( $wpdb->last_error );
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> /**
</span></span></pre>
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