From 9134865cca583b3742340de42b2bda9381a0beee Mon Sep 17 00:00:00 2001
From: Jens Frank <jeluf@users.mediawiki.org>
Date: Mon, 31 May 2004 13:02:19 +0000
Subject: [PATCH] Only pop an array if it really is an array. BUG # 963554

---
 includes/Parser.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/includes/Parser.php b/includes/Parser.php
index 50f02685e6..2dc092b478 100644
--- a/includes/Parser.php
+++ b/includes/Parser.php
@@ -1573,7 +1573,7 @@ class Parser
 				$text .= "&lt;" . str_replace( ">", "&gt;", $x);
 			}
 			# Close off any remaining tags
-			while ( $t = array_pop( $tagstack ) ) {
+			while ( is_array( $tagstack ) && ($t = array_pop( $tagstack )) ) {
 				$text .= "</$t>\n";
 				if ( $t == "table" ) { $tagstack = array_pop( $tablestack ); }
 			}
-- 
2.20.1