FastJSON::__endString PHP Method

    function __endString(&$encode, $position, &$pos)
    {
        do {
            $position = strpos($encode, '"', $position + 1);
        } while ($position !== false && FastJSON::__slashedChar($encode, $position - 1));
        if ($position === false) {
            trigger_error('', E_USER_WARNING);
        }
        return $position - $pos;
    }

 function __decodeString(&$encode, &$pos)
 {
     $replacement = FastJSON::__getStaticReplacement();
     $endString = FastJSON::__endString($encode, $pos, $pos);
     $result = str_replace($replacement['replace'], $replacement['find'], substr($encode, $pos, $endString));
     $pos += $endString;
     return $result;
 }