fix foreach loop on empty array

1 files changed, 8 insertions, 6 deletions

diff --git a/list.php b/list.php
index cbb73b8..6b19d8e 100644
--- a/list.php
+++ b/list.php
@@ -3,7 +3,7 @@
  * $Header
  *
  * @author   xing <xing@synapse.plus.com>
- * @version  $Revision: 1.2 $
+ * @version  $Revision: 1.3 $
  * @package  pigeonholes
  * @subpackage functions
  */
@@ -34,14 +34,16 @@ $listHash = array(
 $pigeonList = $gPigeonholes->getList( $listHash, TRUE, FALSE );
 
 // set up structure related stuff
-foreach( $pigeonList['data'] as $key => $pigeonhole ) {
-	$gStructure = new LibertyStructure( $pigeonhole['root_structure_id'] );
-	$gStructure->load();
-	$pigeonList['data'][$key]['subtree'] = $gStructure->getSubTree( $gStructure->mStructureId );
+if( !empty( $pigeonList['data'] ) ) {
+	foreach( $pigeonList['data'] as $key => $pigeonhole ) {
+		$gStructure = new LibertyStructure( $pigeonhole['root_structure_id'] );
+		$gStructure->load();
+		$pigeonList['data'][$key]['subtree'] = $gStructure->getSubTree( $gStructure->mStructureId );
+	}
+	$gBitSmarty->assign( 'pigeonList', $pigeonList['data'] );
 }
 
 //$gBitSmarty->assign_by_ref('offset', $offset);
-$gBitSmarty->assign( 'pigeonList', $pigeonList['data'] );
 $gBitSmarty->assign( 'pigeonCount', $pigeonList['cant'] );
 $gBitSmarty->assign( 'numPages', ceil( $pigeonList['cant'] / $gBitSystem->mPrefs['maxRecords'] ) );