/**
* Check if a parameters path exists.
*
* @param string $key The name of the param or sub-param, e.g. a.b.c
* @return boolean
*/
public function has($key)
{
// Check for namespaced get( 'namespace/key' ):
if (strpos($key, '/') !== false) {
list($namespace, $subKey) = explode('/', $key, 2);
return $this->getNamespaceRegistry($namespace)->has($subKey);
}
return $this->hasInThis($key) || $this->parent && $this->parent->has($key);
}
/**
* Check if a parameters path exists.
*
* @param string $key The name of the param or sub-param, e.g. a.b.c
* @return boolean
*/
public function has($key)
{
return $this->hasInThis($key) || $this->parent && $this->parent->has($key);
}
