Fixed ErrorException: [E_DEPRECATED] strtolower(): Passing null to parameter #1 ($string) of type string is deprecated

[PASS]

Affected version

2.2.11

Just got some of these errors this morning. I read the other thread that said it was fix in 2.2.11.
I'm running 2.2.11 and PHP 8.1.12

ErrorException: [E_DEPRECATED] strtolower(): Passing null to parameter #1 ($string) of type string is deprecated src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php:256
Generated by: Unknown account Dec 2, 2022 at 9:23 AM
Stack trace
#0 [internal function]: XF::handlePhpError(8192, '[E_DEPRECATED] ...', '/home/removed/publi...', 256)
#1 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php(256): strtolower(NULL)
#2 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/Esmtp/AuthHandler.php(173): Swift_Transport_Esmtp_AuthHandler->getAuthenticatorsForAgent()
#3 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/EsmtpTransport.php(371): Swift_Transport_Esmtp_AuthHandler->afterEhlo(Object(XF\Mail\SmtpTransport))
#4 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php(148): Swift_Transport_EsmtpTransport->doHeloCommand()
#5 src/XF/Mail/Mailer.php(294): Swift_Transport_AbstractSmtpTransport->start()
#6 src/XF/Mail/Queue.php(148): XF\Mail\Mailer->send(Object(Swift_Message), Object(XF\Mail\SmtpTransport), Array)
#7 src/XF/Job/MailQueue.php(12): XF\Mail\Queue->run(8)
#8 src/XF/Job/Manager.php(260): XF\Job\MailQueue->run(8)
#9 src/XF/Job/Manager.php(202): XF\Job\Manager->runJobInternal(Array, 8)
#10 src/XF/Job/Manager.php(86): XF\Job\Manager->runJobEntry(Array, 8)
#11 job.php(43): XF\Job\Manager->runQueue(false, 8)
#12 {main}
Request state
array(4) {
["url"] => string(8) "/job.php"
["referrer"] => string(97) "https://www.removed/"
["_GET"] => array(0) {
}
["_POST"] => array(0) {
}
}

 

[PASS]

It appears that these errors are only occurring when in dev mode. Probably not a big deal. Hope that helps.

 

[Moshe1010]

2.2.11 was a security fix. All features and bug fixes that aimed towards 2.2.11 will be released in 2.2.12:

XenForo 2.2.11 Released (Security Fix)

Today, we are releasing XenForo 2.2.11 to address a potential security vulnerability. We recommend that all customers running XenForo 2.2 upgrade to 2.2.11 or use the attached patch file as soon as possible. The issue relates to HTML attribute injection which can be triggered when rendering...

xenforo.com

 

[Jeremy P]

This should be addressed in XF 2.2.12+.