SqlParser\UtfString::__construct PHP Метод

    public function __construct($str)
    {
        $this->str = $str;
        $this->byteIdx = 0;
        $this->charIdx = 0;
        // TODO: `strlen($str)` might return a wrong length when function
        // overloading is enabled.
        // https://php.net/manual/ro/mbstring.overload.php
        $this->byteLen = strlen($str);
        $this->charLen = mb_strlen($str, 'UTF-8');
    }