original_string: public function get_link($key = 0, $rel = 'alternate')
  	{
  		$links = $this->get_links($rel);
  		if ($links[$key] !== null)
  		{
  			return $links[$key];
  		}
  		else
  		{
  			return null;
  		}
  	}
code: public function get_link($key = 0, $rel = 'alternate')
  	{
  		$links = $this->get_links($rel);
  		if ($links[$key] !== null)
  		{
  			return $links[$key];
  		}
  		else
  		{
  			return null;
  		}
  	}
code_tokens: public function get_link ( $ key = 0 , $ rel = 'alternate' ) { $ links = $ this -> get_links ( $ rel ) ; if ( $ links [ $ key ] !== null ) { return $ links [ $ key ] ; } else { return null ; } }
docstring: Get a single link for the item
  
  @since Beta 3
  @param int $key The link that you want to return.  Remember that arrays begin with 0, not 1
  @param string $rel The relationship of the link to return
  @return string|null Link URL
docstring_tokens: Get a single link for the item