Suggested fix for issue #19286

git-svn-id: http://svn.php.net/repository/pear/packages/Image_GraphViz/trunk@325642 c90b9560-bf6c-de11-be94-00142212c4b1
pear · May 10, 2012 · 8ceed09 · 8ceed09
1 parent fe3db20
commit 8ceed09
Showing 1 changed file with 11 additions and 6 deletions.
diff --git a/Image/GraphViz.php b/Image/GraphViz.php
@@ -7,7 +7,7 @@
  *
  * PHP version 4 and 5
  *
- * Copyright (c) 2001-2007, Dr. Volker Göbbels <vmg@arachnion.de> and
+ * Copyright (c) 2001-2007, Dr. Volker Göbbels <vmg@arachnion.de> and
  * Sebastian Bergmann <sb@sebastian-bergmann.de>. All rights reserved.
  *
  * LICENSE: This source file is subject to version 3.0 of the PHP license
@@ -18,12 +18,12 @@
  *
  * @category  Image
  * @package   Image_GraphViz
- * @author    Dr. Volker Göbbels <vmg@arachnion.de>
+ * @author    Dr. Volker Göbbels <vmg@arachnion.de>
  * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
  * @author    Karsten Dambekalns <k.dambekalns@fishfarm.de>
  * @author    Michael Lively Jr. <mlively@ft11.net>
  * @author    Philippe Jausions <Philippe.Jausions@11abacus.com>
- * @copyright 2001-2007 Dr. Volker Göbbels <vmg@arachnion.de> and Sebastian Bergmann <sb@sebastian-bergmann.de>
+ * @copyright 2001-2007 Dr. Volker Göbbels <vmg@arachnion.de> and Sebastian Bergmann <sb@sebastian-bergmann.de>
  * @license   http://www.php.net/license/3_0.txt  PHP License 3.0
  * @version   CVS: $Id$
  * @link      http://pear.php.net/package/Image_GraphViz
@@ -98,11 +98,11 @@
  * @category  Image
  * @package   Image_GraphViz
  * @author    Sebastian Bergmann <sb@sebastian-bergmann.de>
- * @author    Dr. Volker Göbbels <vmg@arachnion.de>
+ * @author    Dr. Volker Göbbels <vmg@arachnion.de>
  * @author    Karsten Dambekalns <k.dambekalns@fishfarm.de>
  * @author    Michael Lively Jr. <mlively@ft11.net>
  * @author    Philippe Jausions <Philippe.Jausions@11abacus.com>
- * @copyright 2001-2007 Dr. Volker Göbbels <vmg@arachnion.de> and Sebastian Bergmann <sb@sebastian-bergmann.de>
+ * @copyright 2001-2007 Dr. Volker Göbbels <vmg@arachnion.de> and Sebastian Bergmann <sb@sebastian-bergmann.de>
  * @license   http://www.php.net/license/3_0.txt The PHP License, Version 3.0
  * @version   Release: @package_version@
  * @link      http://pear.php.net/package/Image_GraphViz
@@ -400,6 +400,9 @@ function addCluster($id, $title, $attributes = array(), $group = 'default')
         $this->graph['clusters'][$id]['title']      = $title;
         $this->graph['clusters'][$id]['attributes'] = $attributes;
         $this->graph['clusters'][$id]['embedIn']    = $group;
+        if (!isset($this->graph['nodes'][$id])) {
+          $this->graph['nodes'][$id] = array();
+        }
     }
 
     /**
@@ -418,6 +421,9 @@ function addSubgraph($id, $title, $attributes = array(), $group = 'default')
         $this->graph['subgraphs'][$id]['title']      = $title;
         $this->graph['subgraphs'][$id]['attributes'] = $attributes;
         $this->graph['subgraphs'][$id]['embedIn']    = $group;
+        if (!isset($this->graph['nodes'][$id])) {
+            $this->graph['nodes'][$id] = array();
+        }
     }
 
     /**
@@ -1028,4 +1034,3 @@ function saveParsedGraph($file = '')
  * c-hanging-comment-ender-p: nil
  * End:
  */
-?>