original_string: public function fragment($fragment)
  	{
  		$this->fragment = ($fragment === NULL || $fragment == '') ? NULL : (string)$fragment;
  		
  		return $this;
  	}
code: public function fragment($fragment)
  	{
  		$this->fragment = ($fragment === NULL || $fragment == '') ? NULL : (string)$fragment;
  		
  		return $this;
  	}
code_tokens: public function fragment ( $ fragment ) { $ this -> fragment = ( $ fragment === NULL || $ fragment == '' ) ? NULL : ( string ) $ fragment ; return $ this ; }
docstring: Set or remove the fragment part of this URI.
  
  @param string $fragment
  @return UriBuilder
docstring_tokens: Set or remove the fragment part of this URI .