Fatal error: PHP error in file /www/htdocs/v080184/wbb3/wcf/lib/system/security/SecurityHandler.class.php (402): Function ereg() is deprecated

Information:

error message: PHP error in file /www/htdocs/v080184/wbb3/wcf/lib/system/security/SecurityHandler.class.php (402): Function ereg() is deprecated
error code: 0
file: /www/htdocs/v080184/wbb3/wcf/lib/system/WCF.class.php (255)
php version: 5.6.40-nmm9
wcf version: 1.0.11 pl 1 (Horizon)
date: Thu, 31 Oct 2024 23:31:14 +0000
request: /wbb3/wbb/index.php?form=Search&searchID=954926&s=34bca97d14bab93017e8a326cc34e56d3f471046
referer: http://www.community-of-darkness.com/wbb3/wbb/index.php?action=unreplied&form=Search&s=949bfa573b724696b56ac489bca04c6666bd2bba

Stacktrace:

#0 [internal function]: WCF::handleError(8192, 'Function ereg()...', '/www/htdocs/v08...', 402, Array)
#1 /www/htdocs/v080184/wbb3/wcf/lib/system/security/SecurityHandler.class.php(402): ereg()
#2 /www/htdocs/v080184/wbb3/wcf/lib/system/security/plugins/datatransfer/datatransfer.class.php(17): SecurityHandler->checkReferer()
#3 /www/htdocs/v080184/wbb3/wcf/lib/system/security/SecurityHandler.class.php(188): Datatransfer->execute(Object(SecurityHandler), 'datatransfer')
#4 /www/htdocs/v080184/wbb3/wcf/lib/system/security/SecurityHandler.class.php(67): SecurityHandler->fireActions()
#5 /www/htdocs/v080184/wbb3/wcf/lib/system/event/listener/SecurityListener.class.php(35): SecurityHandler->extendedSystem()
#6 /www/htdocs/v080184/wbb3/wcf/lib/system/event/EventHandler.class.php(117): SecurityListener->execute(Object(SearchForm), 'SearchForm', 'readParameters')
#7 /www/htdocs/v080184/wbb3/wcf/lib/system/event/EventHandler.class.php(142): EventHandler::executeInheritedActions(Object(SearchForm), 'readParameters', 'SearchForm', 'readParameters@...')
#8 /www/htdocs/v080184/wbb3/wcf/lib/page/AbstractPage.class.php(44): EventHandler::fireAction(Object(SearchForm), 'readParameters')
#9 /www/htdocs/v080184/wbb3/wcf/lib/form/CaptchaForm.class.php(23): AbstractPage->readParameters()
#10 /www/htdocs/v080184/wbb3/wcf/lib/form/SearchForm.class.php(47): CaptchaForm->readParameters()
#11 /www/htdocs/v080184/wbb3/wcf/lib/page/AbstractPage.class.php(35): SearchForm->readParameters()
#12 /www/htdocs/v080184/wbb3/wcf/lib/util/RequestHandler.class.php(63): AbstractPage->__construct()
#13 /www/htdocs/v080184/wbb3/wcf/lib/util/RequestHandler.class.php(94): RequestHandler->__construct('Search', Array, 'form')
#14 /www/htdocs/v080184/wbb3/wbb/index.php(8): RequestHandler::handle(Array)
#15 {main}