Не отображать незаполненные параметры типа товара - [VM2&3] Управление товарами, атрибутами, типами, ценами

<?php
function list_product_type($pid) {
	$db =& JFactory::getDBO();
	$html = "";
	$q  = "SELECT * FROM #__vm_product_product_type_xref ";
	$q .= "LEFT JOIN #__vm_product_type USING (product_type_id) ";
	$q .= "WHERE product_id='$pid' AND product_type_publish='Y' ";
	$q .= "ORDER BY product_type_list_order";
	$db->setQuery($q);
	$pts = $db->loadObjectList();
	$q  = "SELECT * FROM #__vm_product_type_parameter ";
	$q .= "WHERE product_type_id=";
	foreach ($pts as $pt) {
		$html .= "<div>";
		// SELECT parameter value of product
		$q2  = "SELECT * FROM #__vm_product_type_".$pt->product_type_id;
		$q2 .= " WHERE product_id='$pid'";
		$db->setQuery($q2);
		$info = $db->loadAssoc();
		$db->setQuery($q . $pt->product_type_id ." ORDER BY parameter_list_order");
		$params = $db->loadObjectList();
		foreach ($params as $param) {
			$html .= "<p><strong>".$param->parameter_label;
			$html .= ":</strong> ";
			$html .= $info[$param->parameter_name]." ".$param->parameter_unit."</p>";
		}
		$html .= "</div>";
	}
	echo $html;	
}
?>

	foreach ($params as $param) {
		$html .= "<p><strong>".$param->parameter_label;
		$html .= ":</strong> ";
		$html .= $info[$param->parameter_name]." ".$param->parameter_unit."</p>";
	}
		$html .= "</div>";
	}
	echo $html;	

	foreach ($params as $param) {
		$html .= "<p><strong>".$param->parameter_label;
		$html .= ":</strong> ";
		$html .= $info[$param->parameter_name]." ".$param->parameter_unit."</p>";}
		$html .= "</div>";
	}
	 if($param["parameter_name"] != "null") {
	echo $html;}

foreach ($params as $param) {
	if(!$param->parameter_name) continue;
///тут остальной код
}

		foreach ($params as $param) {
		if(!$param->parameter_name) continue;
			$html .= "<p><strong>".$param->parameter_label;
			$html .= ":</strong> ";
			$html .= $info[$param->parameter_name]." ".$param->parameter_unit."</p>";
		}
		$html .= "</div>";
	}
	echo $html;

foreach ($params as $param) {
	var_dump($param);
///тут остальной код
}

foreach ($params as $param) {
		$html .= "Проверка";
}

		foreach ($params as $param) {
			$html .= "Проверка";
			$html .= "<p><strong>".$param->parameter_label;
			$html .= ":</strong> ";
			$html .= $info[$param->parameter_name]." ".$param->parameter_unit."</p>";
		}
		$html .= "</div>";
	}
	echo $html;}

foreach ($params as $param) {
		if(!$info[$param->parameter_name]) continue;
//......................Код
}