code: public function stripQuotes($string)
      {
          // Only remove exactly one quote from the start and the end,
          // and then only if there is one at each end.
  
          if (strlen($string) < 2 || substr($string, 0, 1) !== '"' || substr($string, -1, 1) !== '"') {
              // Too short, or does not start or end with a quote.
              return $string;
          }
  
          // Return the middle of the string, from the second character to the second-but-last.
          return substr($string, 1, -1);
      }
docs: Remove a single set of double-quotes from around a string.
  abc => abc
  "abc" => abc
  ""abc"" => "abc"
  
  @param string string
  @returns string