diff options
Diffstat (limited to 'library/Graphite/Graphing/Chart.php')
-rw-r--r-- | library/Graphite/Graphing/Chart.php | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/library/Graphite/Graphing/Chart.php b/library/Graphite/Graphing/Chart.php index ded8ae8..bee5e7d 100644 --- a/library/Graphite/Graphing/Chart.php +++ b/library/Graphite/Graphing/Chart.php @@ -107,9 +107,9 @@ class Chart $response ->setHeader('Content-Type', 'image/png', true) ->setHeader('Content-Disposition', 'inline; filename="graph.png"', true) - ->setHeader('Cache-Control', null, true) - ->setHeader('Expires', null, true) - ->setHeader('Pragma', null, true) + ->setHeader('Cache-Control', '', true) + ->setHeader('Expires', '', true) + ->setHeader('Pragma', '', true) ->setBody($image) ->sendResponse(); |