old-forum.smplayer.info/viewtopic.php prepends “[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 483: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead” afore the DOCTYPE. #1300
Description
The Problem
When I visit old-forum.smplayer.info/viewtopic.php?f=2&t=12059&sid=7bf0b0e390351a138220aeb44e02e87c and old-forum.smplayer.info/viewtopic.php?f=2&t=8420&sid=5ec628dab10536e5e92d7f8b44c0b11a, but not old-forum.smplayer.info/viewtopic.php?f=2&t=8313#p14978, prepended to the DOM, is:
<b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>483</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>112</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/bbcode.php</b> on line <b>112</b>: <b>preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/functions.php</b> on line <b>4688</b>: <b>Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823)</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/functions.php</b> on line <b>4690</b>: <b>Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823)</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/functions.php</b> on line <b>4691</b>: <b>Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823)</b><br /> <b>[phpBB Debug] PHP Warning</b>: in file <b>[ROOT]/includes/functions.php</b> on line <b>4692</b>: <b>Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823)</b><br /> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
How To Reproduce
location.replace to:
-
old-forum.smplayer.info/viewtopic.php?f=2&t=12059&sid=7bf0b0e390351a138220aeb44e02e87c -
old-forum.smplayer.info/viewtopic.php?f=2&t=8420&sid=5ec628dab10536e5e92d7f8b44c0b11a
Expected Behaviour
I should not see such logs.
Screenshots
My Environment
Name : firefox
Version : 146.0
Release : 3.fc43
Architecture: x86_64
Install Date: Wed 17 Dec 2025 13:13:34 GMT
Size : 268846966
Signature :
RSA/SHA256, Fri 12 Dec 2025 07:56:57 GMT, Key ID 829b606631645531
Source RPM : firefox-146.0-3.fc43.src.rpm
Build Date : Thu 11 Dec 2025 12:17:21 GMT
Build Host : buildhw-x86-03.rdu3.fedoraproject.org
Packager : Fedora Project
Vendor : Fedora ProjectLogs
This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”. viewtopic.php The value of the attribute “expires” for the cookie “_ga_SMWC31FD29” has been overwritten. viewtopic.php
Additional Context
crash-stats.mozilla.org/report/index/8c9a8d88-6cfa-4b58-a678-796f80251226 prevented me submitting the HAR.