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