Get Joomla! 1.7 Plugin, Module, Component and Template Parameters

Plugin parameters from inside a plugin

$param = $this->params->get('paramName', defaultValue);

Plugin parameters from outside a plugin

$plugin = JPluginHelper::getPlugin('editors', 'codemirror');
$pluginParams = new JRegistry();
$pluginParams->loadString($plugin->params);
$param = $pluginParams->get('paramName', 'defaultValue');

Module parameters from inside a module

$param = $params->get('paramName', 'defaultValue');

Module parameters from outside a module

$module = JModuleHelper::getModule('banners');
$moduleParams = new JRegistry();
$moduleParams->loadString($module->params);
$param = $moduleParams->get('paramName', 'defaultValue');

Component parameters from inside a component

$app = JFactory::getApplication('site');
$componentParams = $app->getParams('com_content');
$param = $componentParams->get('paramName', defaultValue);

Component parameters from outside a component

$app = JFactory::getApplication('site');
$componentParams = $app->getParams('com_example');
$param = $componentParams->get('paramName', defaultValue);

Template parameters from inside a template

$param = $this->params->get('paramName', defaultValue);

Template parameters from outside a template

$app = JFactory::getApplication('site');
$template = $app->getTemplate(true);
$param = $template->params->get('paramName', defaultValue);