/**
 * Set class state
 *
 * @param  array $options
 * @return Zend_Application_Bootstrap_BootstrapAbstract
 */
public function setOptions(array $options)
{
    $this->_options = $this->mergeOptions($this->_options, $options);

    $options = array_change_key_case($options, CASE_LOWER);
    $this->_optionKeys = array_merge($this->_optionKeys, array_keys($options));

    $methods = get_class_methods($this);
    foreach ($methods as $key => $method) {
        $methods[$key] = strtolower($method);
    }

    if (array_key_exists('pluginpaths', $options)) {
        $pluginLoader = $this->getPluginLoader();

        foreach ($options['pluginpaths'] as $prefix => $path) {
            $pluginLoader->addPrefixPath($prefix, $path);
        }
        unset($options['pluginpaths']);
    }

    foreach ($options as $key => $value) {
        $method = 'set' . strtolower($key);

        if (in_array($method, $methods)) {
            $this->$method($value);
        } elseif ('resources' == $key) {
            foreach ($value as $resource => $resourceOptions) {
                $this->registerPluginResource($resource, $resourceOptions);
            }
        }
    }
    return $this;
}

coming when the configuration of the ini file with the following options:

application = "xxx"
container   = "xxx"
options     = "xx" 
pluginloader = "xxx"