original_string: public function quoteName($string)
  	{
  		return $string[0] === static::$QUOTE_CHARACTER || $string[strlen($string) - 1] === static::$QUOTE_CHARACTER ?
  			$string : static::$QUOTE_CHARACTER . $string . static::$QUOTE_CHARACTER;
  	}
code: public function quoteName($string)
  	{
  		return $string[0] === static::$QUOTE_CHARACTER || $string[strlen($string) - 1] === static::$QUOTE_CHARACTER ?
  			$string : static::$QUOTE_CHARACTER . $string . static::$QUOTE_CHARACTER;
  	}
code_tokens: public function quoteName ( $ string ) { return $ string [ 0 ] === static :: $ QUOTE_CHARACTER || $ string [ strlen ( $ string ) - 1 ] === static :: $ QUOTE_CHARACTER ? $ string : static :: $ QUOTE_CHARACTER . $ string . static :: $ QUOTE_CHARACTER ; }
docstring: Quote a name like table names and field names.
  
  @param string $string String to quote.
  @return string
docstring_tokens: Quote a name like table names and field names .