protected function resolveAlias($alias)
	{
		if (!empty($this->aliases[$alias]))
		{
			return $this->aliases[$alias];
		}

		return $alias;
	}
protected function resolveAlias($alias)
	{
		if (!empty($this->aliases[$alias]))
		{
			return $this->aliases[$alias];
		}

		return $alias;
	}
protected function resolveAlias ( $ alias ) { if ( ! empty ( $ this -> aliases [ $ alias ] ) ) { return $ this -> aliases [ $ alias ] ; } return $ alias ; }
Resolve alias for an option.

@param   string  $alias  An alias to help us get option name.

@return  string  Return name if found, or return alias as name.

@since   1.0
Resolve alias for an option .