Unknown error (8192): Function split() is deprecated  in /var/www/vhosts/lincolnshireshop.co.uk/httpdocs/app/code/core/Mage/Downloadable/Helper/Download.php on line 210

#0 [internal function]: mageCoreErrorHandler(8192, 'Function split(...', '/var/www/vhosts...', 210, Array)
#1 /var/www/vhosts/lincolnshireshop.co.uk/httpdocs/app/code/core/Mage/Downloadable/Helper/Download.php(210): split()
#2 /var/www/vhosts/lincolnshireshop.co.uk/httpdocs/app/code/core/Mage/Downloadable/controllers/DownloadController.php(65): Mage_Downloadable_Helper_Download->getContentType()
#3 /var/www/vhosts/lincolnshireshop.co.uk/httpdocs/app/code/core/Mage/Downloadable/controllers/DownloadController.php(142): Mage_Downloadable_DownloadController->_processDownload('http://www.linc...', 'url')
#4 /var/www/vhosts/lincolnshireshop.co.uk/httpdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(376): Mage_Downloadable_DownloadController->linkSampleAction()
#5 /var/www/vhosts/lincolnshireshop.co.uk/httpdocs/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(248): Mage_Core_Controller_Varien_Action->dispatch('linkSample')
#6 /var/www/vhosts/lincolnshireshop.co.uk/httpdocs/app/code/core/Mage/Core/Controller/Varien/Front.php(158): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#7 /var/www/vhosts/lincolnshireshop.co.uk/httpdocs/app/Mage.php(461): Mage_Core_Controller_Varien_Front->dispatch()
#8 /var/www/vhosts/lincolnshireshop.co.uk/httpdocs/index.php(69): Mage::run()
#9 {main}