From d61d51044622889826a8545f453b2593850c5390 Mon Sep 17 00:00:00 2001
From: Ilija Tovilo <ilija.tovilo@me.com>
Date: Thu, 15 Jan 2026 23:46:41 +0100
Subject: [PATCH] Avoid huge output in gh20840.phpt

This can trigger the memory limit in run-tests.php, which buffers the tests
output. Instead, only output "nesting level too deep" and discard the rest.
---
 ext/standard/tests/general_functions/gh20840.phpt | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/ext/standard/tests/general_functions/gh20840.phpt b/ext/standard/tests/general_functions/gh20840.phpt
index 839b4728be189..ac0440a3bcdfb 100644
--- a/ext/standard/tests/general_functions/gh20840.phpt
+++ b/ext/standard/tests/general_functions/gh20840.phpt
@@ -28,11 +28,20 @@ for ($i = 0; $i < 50000; $i++) {
     $node = $newNode;
 }
 
+$buffer = '';
+ob_start(function ($chunk) use (&$buffer) {
+    $buffer .= $chunk;
+    $buffer = preg_replace('(\s*object\(Node\)#\d+ \(\d+\) \{\s*)', '', $buffer);
+    $buffer = preg_replace('(\s*\["next"\]=>\s*)', '', $buffer);
+    $buffer = preg_replace('(\s*\}\s*)', '', $buffer);
+});
 var_dump($firstNode);
+ob_end_flush();
+echo $buffer;
 
 while ($next = $firstNode->next) {
     $firstNode->next = $next->next;
 }
 ?>
---EXPECTREGEX--
-^object\(Node\)#\d+ \(\d+\).*(nesting level too deep|["\s}]*)$
+--EXPECT--
+nesting level too deep