Online PHP editor | output for YMs3s

<?php $componentId = JComponentHelper::getComponent('com_comonentname')->id; $db = JFactory::getDbo(); $select = $db->getQuery(true) ->select($db->qn('params')) ->from($db->qn('#__extensions')) ->where($db->qn('extension_id') . ' = '. (int)$componentId); $db->setQuery($select); $object = json_decode($db->loadResult()); $object->your_param = "dev.com"; $newJson = json_encode($object); $update = $db->getQuery(true) ->update($db->qn('#__extensions')) ->set($db->qn('params') . " = '" . $db->q($newJson)) ->where($db->qn('extension_id') . ' = ' . (int)$componentId); $db->setQuery($update); $result = $db->execute();