original_string: public function get_author($key = 0)
  	{
  		$authors = $this->get_authors();
  		if (isset($authors[$key]))
  		{
  			return $authors[$key];
  		}
  		else
  		{
  			return null;
  		}
  	}
code: public function get_author($key = 0)
  	{
  		$authors = $this->get_authors();
  		if (isset($authors[$key]))
  		{
  			return $authors[$key];
  		}
  		else
  		{
  			return null;
  		}
  	}
code_tokens: public function get_author ( $ key = 0 ) { $ authors = $ this -> get_authors ( ) ; if ( isset ( $ authors [ $ key ] ) ) { return $ authors [ $ key ] ; } else { return null ; } }
docstring: Get an author for the feed
  
  @since 1.1
  @param int $key The author that you want to return. Remember that arrays begin with 0, not 1
  @return SimplePie_Author|null
docstring_tokens: Get an author for the feed