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<title>[13121] trunk/wp-includes/wp-db.php: Add is_multisite() check to wpdb::
 get_blog_prefix() to fix get_blog_prefix($blog_id) call on a non-MS install
 .</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/13121">13121</a></dd>
<dt>Author</dt> <dd>nacin</dd>
<dt>Date</dt> <dd>2010-02-13 19:57:43 +0000 (Sat, 13 Feb 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>Add is_multisite() check to wpdb::get_blog_prefix() to fix get_blog_prefix($blog_id) call on a non-MS install. See <a href="http://trac.wordpress.org/ticket/11644">#11644</a></pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludeswpdbphp">trunk/wp-includes/wp-db.php</a></li>
</ul>

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<h3>Diff</h3>
<a id="trunkwpincludeswpdbphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/wp-db.php (13120 => 13121)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/wp-db.php        2010-02-13 19:36:18 UTC (rev 13120)
+++ trunk/wp-includes/wp-db.php        2010-02-13 19:57:43 UTC (rev 13121)
</span><span class="lines">@@ -489,12 +489,11 @@
</span><span class="cx">         }
</span><span class="cx"> 
</span><span class="cx">         function get_blog_prefix( $blog_id = '' ) {
</span><del>-                if ( $blog_id ) {
-                        if( defined('MULTISITE') &amp;&amp; ( $blog_id == 0 || $blog_id == 1) ) {
-                                return $this-&gt;base_prefix;
-                        } else {
-                                return $this-&gt;base_prefix . $blog_id . '_';
-                        }
</del><ins>+                if ( is_multisite() &amp;&amp; $blog_id ) {
+                        if ( defined('MULTISITE') &amp;&amp; ( $blog_id == 0 || $blog_id == 1 ) )
+                                return $this-&gt;base_prefix;
+                        else
+                                return $this-&gt;base_prefix . $blog_id . '_';
</ins><span class="cx">                 } else {
</span><span class="cx">                         return $this-&gt;base_prefix;
</span><span class="cx">                 }
</span></span></pre>
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