/** * check if this is a Joomla 3 setup * used in Joomla 2.5 code to show error after upgrade to Joomla 3 */ public static function isJoomla3($extension = '') { if (!version_compare(JVERSION, '3.0', '>=')) { return false; } if ($extension) { NNProtect::throwError(JText::sprintf('NN_JOOMLA2_VERSION_ON_JOOMLA3', JText::_($extension))); } return true; }