feature:2718 errors when no photo on the gallery, use arbitrary values instead

git-svn-id: http://piwigo.org/svn/trunk@19920 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 14 insertions, 4 deletions

diff --git a/admin/batch_manager.php b/admin/batch_manager.php
index 4d2e64997..a5c82d061 100644
--- a/admin/batch_manager.php
+++ b/admin/batch_manager.php
@@ -457,13 +457,23 @@ SELECT
 ;';
 $result = pwg_query($query);
 
-while ($row = pwg_db_fetch_assoc($result))
+if (!pwg_db_num_rows($result))
+{ // arbitrary values, only used when no photos on the gallery
+  $widths = array(600, 1920, 3500);
+  $heights = array(480, 1080, 2300);
+  $ratios = array(1.25, 1.52, 1.78);
+}
+else
 {
-  $widths[] = $row['width'];
-  $heights[] = $row['height'];
-  $ratios[] = floor($row['width'] * 100 / $row['height']) / 100;
+  while ($row = pwg_db_fetch_assoc($result))
+  {
+    $widths[] = $row['width'];
+    $heights[] = $row['height'];
+    $ratios[] = floor($row['width'] * 100 / $row['height']) / 100;
+  }
 }
 
+
 $widths = array_unique($widths);
 sort($widths);