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<title>[12520] trunk/wp-includes/rewrite.php: Check that get_page_hierarchy()
returns something before trying to build the verbose page rules in WP_Rewrite
::page_uri_index().</title>
</head>
<body>
<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/12520">12520</a></dd>
<dt>Author</dt> <dd>westi</dd>
<dt>Date</dt> <dd>2009-12-23 16:23:40 +0000 (Wed, 23 Dec 2009)</dd>
</dl>
<h3>Log Message</h3>
<pre>Check that get_page_hierarchy() returns something before trying to build the verbose page rules in WP_Rewrite::page_uri_index(). Fixes <a href="http://trac.wordpress.org/ticket/11578">#11578</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesrewritephp">trunk/wp-includes/rewrite.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludesrewritephp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/rewrite.php (12519 => 12520)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/rewrite.php 2009-12-23 16:22:26 UTC (rev 12519)
+++ trunk/wp-includes/rewrite.php 2009-12-23 16:23:40 UTC (rev 12520)
</span><span class="lines">@@ -786,15 +786,17 @@
</span><span class="cx">
</span><span class="cx"> //get pages in order of hierarchy, i.e. children after parents
</span><span class="cx"> $posts = get_page_hierarchy($wpdb->get_results("SELECT ID, post_name, post_parent FROM $wpdb->posts WHERE post_type = 'page'"));
</span><ins>+
+ // If we have no pages get out quick
+ if ( !$posts )
+ return array( array(), array() );
+
</ins><span class="cx"> //now reverse it, because we need parents after children for rewrite rules to work properly
</span><span class="cx"> $posts = array_reverse($posts, true);
</span><span class="cx">
</span><span class="cx"> $page_uris = array();
</span><span class="cx"> $page_attachment_uris = array();
</span><span class="cx">
</span><del>- if ( !$posts )
- return array( array(), array() );
-
</del><span class="cx"> foreach ($posts as $id => $post) {
</span><span class="cx"> // URL => page name
</span><span class="cx"> $uri = get_page_uri($id);
</span></span></pre>
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