Unknown error (8192): Function split() is deprecated  in /home/estetici/public_html/app/code/local/Aitoc/Aitmanufacturers/Controller/Router.php on line 23

#0 [internal function]: mageCoreErrorHandler(8192, 'Function split(...', '/home/estetici/...', 23, Array)
#1 /home/estetici/public_html/app/code/local/Aitoc/Aitmanufacturers/Controller/Router.php(23): split()
#2 /home/estetici/public_html/app/code/core/Mage/Core/Controller/Varien/Front.php(158): Aitoc_Aitmanufacturers_Controller_Router->match(Object(Mage_Core_Controller_Request_Http))
#3 /home/estetici/public_html/app/Mage.php(459): Mage_Core_Controller_Varien_Front->dispatch()
#4 /home/estetici/public_html/index.php(65): Mage::run()
#5 {main}