Prevent stale cached IPD bill PDF responses

2026-08-01 16:28:27 +05:30 · 2026-08-01 16:28:27 +05:30 · b1846696a4
commit b1846696a4
parent 71a7875fe1
1 changed files with 3 additions and 0 deletions
--- a/app/Controllers/Billing/Ipd.php
+++ b/app/Controllers/Billing/Ipd.php
@ -990,6 +990,9 @@ class Ipd extends BaseController
        return $this->response
            ->setHeader('Content-Type', 'application/pdf')
            ->setHeader('Content-Disposition', 'inline; filename="' . $fileName . '"')
+            ->setHeader('Cache-Control', 'no-store, no-cache, must-revalidate, max-age=0')
+            ->setHeader('Pragma', 'no-cache')
+            ->setHeader('Expires', '0')
            ->setBody($mpdf->Output($fileName, 'S'));
    }