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most userful joomla function to debug database query

// Get a db connection. $db = JFactory::getDbo();   // Create a new query object. $query = $db->getQuery(true);   // Select all articles for users who have a username which starts with ‘a’. // Order it by the created date.

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Joomla show page content only

To show only page content from joomla article or component you need to add following to the url &task=display&tmpl=component

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virtuemart empty cart link

go to /components/com_virtuemart/controllers/cart.php and add this fuction public function deleteall() { $mainframe = JFactory::getApplication(); $cart = VirtueMartCart::getCart(); $cart->emptyCart(); $mainframe->redirect(JRoute::_(‘index.php?option=com_virtuemart&view=cart’)); } Go to your cart template and add <a title=“<?php echo JText::_(‘COM_VIRTUEMART_CART_DELETE’) ?>“ align=“middle“ href=“<?php echo JRoute::_(‘index.php?option=com_virtuemart&view=cart&task=deleteall’) ?>“><i></i></a>

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run joomla plugin in component module or virtuemart template

$text = JHTML::_(‘content.prepare’, $text );

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