Merge pull request #10 from RVXD/patch-1

Add extra headers to prevent caching
lekoala · Nov 1, 2022 · 4ed6bff · 4ed6bff
2 parents ca7ee42 + 0ff4dbd
commit 4ed6bff
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/ExcelGridFieldExportButton.php b/src/ExcelGridFieldExportButton.php
@@ -184,7 +184,10 @@ public function handleExport($gridField, $request = null)
                 $func = $this->afterExportCallback;
                 $func();
             }
-
+
+            header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0");
+            header("Cache-Control: post-check=0, pre-check=0", false);
+            header("Pragma: no-cache");
             header('Content-type: application/vnd.ms-excel');
             header('Content-Disposition: attachment; filename="' . $fileName . '"');