src/Amulen/SettingsBundle/Model/Repository/ParameterRepository.php
public function get($key)
    {
        return $this->container->hasParameter($key) ? $this->container->getParameter($key) : null;
    }
public function get($key)
    {
        return $this->container->hasParameter($key) ? $this->container->getParameter($key) : null;
    }
Get a setting value.

@param $key string
@return string|null