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<title>[15208] trunk/wp-content/themes/twentyten/attachment.php: In Twenty ten,
  make last gallery image link back to the first.</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/15208">15208</a></dd>
<dt>Author</dt> <dd>iammattthomas</dd>
<dt>Date</dt> <dd>2010-06-11 02:01:56 +0000 (Fri, 11 Jun 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>In Twenty ten, make last gallery image link back to the first. Props iandstewart.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpcontentthemestwentytenattachmentphp">trunk/wp-content/themes/twentyten/attachment.php</a></li>
</ul>

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<h3>Diff</h3>
<a id="trunkwpcontentthemestwentytenattachmentphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-content/themes/twentyten/attachment.php (15207 => 15208)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-content/themes/twentyten/attachment.php        2010-06-11 01:55:32 UTC (rev 15207)
+++ trunk/wp-content/themes/twentyten/attachment.php        2010-06-11 02:01:56 UTC (rev 15208)
</span><span class="lines">@@ -68,10 +68,18 @@
</span><span class="cx">                         break;
</span><span class="cx">         }
</span><span class="cx">         $k++;
</span><del>-        if ( isset( $attachments[ $k ] ) )
-                $next_attachment_url = get_attachment_link( $attachments[ $k ]-&gt;ID );
-        else
-                $next_attachment_url = get_permalink( $post-&gt;post_parent );
</del><ins>+        // If there is more than 1 image attachment in a gallery
+        if ( count( $attachments ) &gt; 1 ) {
+                if ( isset( $attachments[ $k ] ) )
+                        // get the URL of the next image attachment
+                        $next_attachment_url = get_attachment_link( $attachments[ $k ]-&gt;ID );
+                else
+                        // or get the URL of the first image attachment
+                        $next_attachment_url = get_attachment_link( $attachments[ 0 ]-&gt;ID );
+        } else {
+                // or, if there's only 1 image attachment, get the URL of the image
+                $next_attachment_url = wp_get_attachment_url();
+        }
</ins><span class="cx"> ?&gt;
</span><span class="cx">                                                 &lt;p class=&quot;attachment&quot;&gt;&lt;a href=&quot;&lt;?php echo $next_attachment_url; ?&gt;&quot; title=&quot;&lt;?php echo esc_attr( get_the_title() ); ?&gt;&quot; rel=&quot;attachment&quot;&gt;&lt;?php
</span><span class="cx">                                                         $attachment_size = apply_filters( 'twentyten_attachment_size', 900 );
</span></span></pre>
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