Fixed PHP 8.1: ErrorException: [E_DEPRECATED] strlen(): Passing null to parameter #1 ($string)

[Moshe1010]

Affected version

2.2.11

ErrorException: [E_DEPRECATED] strlen(): Passing null to parameter #1 ($string) of type string is deprecated
src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php:49

Stack trace​

#0 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php(49): XF::handlePhpError(8192, '[E_DEPRECATED] ...', '/home/user/de...', 49)
#1 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php(555): Swift_Mime_ContentEncoder_Base64ContentEncoder->encodeByteStream(Object(Swift_ByteStream_FileByteStream), Object(Swift_Transport_StreamBuffer), 0, 76)
#2 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php(532): Swift_Mime_SimpleMimeEntity->bodyToByteStream(Object(Swift_Transport_StreamBuffer))
#3 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php(570): Swift_Mime_SimpleMimeEntity->toByteStream(Object(Swift_Transport_StreamBuffer))
#4 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php(532): Swift_Mime_SimpleMimeEntity->bodyToByteStream(Object(Swift_Transport_StreamBuffer))
#5 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Mime/SimpleMessage.php(604): Swift_Mime_SimpleMimeEntity->toByteStream(Object(Swift_Transport_StreamBuffer))
#6 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Message.php(162): Swift_Mime_SimpleMessage->toByteStream(Object(Swift_Transport_StreamBuffer))
#7 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php(400): Swift_Message->toByteStream(Object(Swift_Transport_StreamBuffer))
#8 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php(502): Swift_Transport_AbstractSmtpTransport->streamMessage(Object(Swift_Message))
#9 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php(518): Swift_Transport_AbstractSmtpTransport->doMailTransaction(Object(Swift_Message), 'email@domain.com', Array, Array)
#10 src/vendor/swiftmailer/swiftmailer/lib/classes/Swift/Transport/AbstractSmtpTransport.php(206): Swift_Transport_AbstractSmtpTransport->sendTo(Object(Swift_Message), 'email@domain.com', Array, Array)
#11 src/XF/Mail/Mailer.php(312): Swift_Transport_AbstractSmtpTransport->send(Object(Swift_Message), Array)
#12 src/XF/Mail/Queue.php(148): XF\Mail\Mailer->send(Object(Swift_Message), Object(XF\Mail\SmtpTransport), Array)
#13 src/XF/Job/MailQueue.php(12): XF\Mail\Queue->run(8)
#14 src/XF/Job/Manager.php(260): XF\Job\MailQueue->run(8)
#15 src/XF/Job/Manager.php(202): XF\Job\Manager->runJobInternal(Array, 8)
#16 src/XF/Job/Manager.php(86): XF\Job\Manager->runJobEntry(Array, 8)
#17 src/XF/Cli/Command/RunJobs.php(59): XF\Job\Manager->runQueue(false, 8)
#18 src/vendor/symfony/console/Command/Command.php(255): XF\Cli\Command\RunJobs->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#19 src/vendor/symfony/console/Application.php(992): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#20 src/vendor/symfony/console/Application.php(255): Symfony\Component\Console\Application->doRunCommand(Object(XF\Cli\Command\RunJobs), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#21 src/vendor/symfony/console/Application.php(148): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#22 src/XF/Cli/Runner.php(111): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#23 cmd.php(15): XF\Cli\Runner->run()
#24 {main}

Request state​

array(1) {
["cli"] => string(47) "/home/user/domain.com/cmd.php xf:run-jobs"
}

 

[Jeremy P]

I believe this was fixed in XF 2.2.12 by virtue of updating to Swiftmailer v6.3.