Unknown error (8192): Function split() is deprecated  in /var/www/html/click2scan/app/code/local/Lialan/Lease/Block/Lease.php on line 23

#0 [internal function]: mageCoreErrorHandler(8192, 'Function split(...', '/var/www/html/c...', 23, Array)
#1 /var/www/html/click2scan/app/code/local/Lialan/Lease/Block/Lease.php(23): split()
#2 /var/www/html/click2scan/app/code/core/Mage/Core/Block/Abstract.php(199): Lialan_Lease_Block_Lease->_prepareLayout()
#3 /var/www/html/click2scan/app/code/core/Mage/Core/Model/Layout.php(445): Mage_Core_Block_Abstract->setLayout(Object(Mage_Core_Model_Layout))
#4 /var/www/html/click2scan/app/code/core/Mage/Core/Model/Layout.php(229): Mage_Core_Model_Layout->addBlock('Lialan_Lease_Bl...', 'lease')
#5 /var/www/html/click2scan/app/code/core/Mage/Core/Model/Layout.php(195): Mage_Core_Model_Layout->_generateBlock(Object(Mage_Core_Model_Layout_Element), Object(Mage_Core_Model_Layout_Element))
#6 /var/www/html/click2scan/app/code/core/Mage/Core/Model/Layout.php(200): Mage_Core_Model_Layout->generateBlocks(Object(Mage_Core_Model_Layout_Element))
#7 /var/www/html/click2scan/app/code/core/Mage/Core/Controller/Varien/Action.php(303): Mage_Core_Model_Layout->generateBlocks()
#8 /var/www/html/click2scan/app/code/core/Mage/Core/Controller/Varien/Action.php(231): Mage_Core_Controller_Varien_Action->generateLayoutBlocks()
#9 /var/www/html/click2scan/app/code/local/Lialan/Lease/controllers/IndexController.php(7): Mage_Core_Controller_Varien_Action->loadLayout()
#10 /var/www/html/click2scan/app/code/core/Mage/Core/Controller/Varien/Action.php(376): Lialan_Lease_IndexController->indexAction()
#11 /var/www/html/click2scan/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(248): Mage_Core_Controller_Varien_Action->dispatch('index')
#12 /var/www/html/click2scan/app/code/core/Mage/Core/Controller/Varien/Front.php(157): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#13 /var/www/html/click2scan/app/Mage.php(462): Mage_Core_Controller_Varien_Front->dispatch()
#14 /var/www/html/click2scan/index.php(84): Mage::run('click2scan', 'website')
#15 {main}