From 1cf5a91d98dede33aed3d838eb8582b3c2b7b68f Mon Sep 17 00:00:00 2001
From: Jakub Vrana <jakub@vrana.cz>
Date: Mon, 24 Mar 2025 17:28:53 +0100
Subject: [PATCH] Export: Use output buffering

---
 adminer/include/functions.inc.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/adminer/include/functions.inc.php b/adminer/include/functions.inc.php
index 0ebf9cc5..26dd449d 100644
--- a/adminer/include/functions.inc.php
+++ b/adminer/include/functions.inc.php
@@ -761,6 +761,9 @@ function dump_headers($identifier, $multi_table = false) {
 		header("Content-Disposition: attachment; filename=" . $adminer->dumpFilename($identifier) . ".$return" . ($output != "file" && preg_match('~^[0-9a-z]+$~', $output) ? ".$output" : ""));
 	}
 	session_write_close();
+	if (!ob_get_level()) {
+		ob_start(null, 4096);
+	}
 	ob_flush();
 	flush();
 	return $return;