TrueBV\Punycode::listCodePoints PHP Method

    protected function listCodePoints($input)
    {
        $codePoints = array('all' => array(), 'basic' => array(), 'nonBasic' => array());
        $length = mb_strlen($input, $this->encoding);
        for ($i = 0; $i < $length; $i++) {
            $char = mb_substr($input, $i, 1, $this->encoding);
            $code = $this->charToCodePoint($char);
            if ($code < 128) {
                $codePoints['all'][] = $codePoints['basic'][] = $code;
            } else {
                $codePoints['all'][] = $codePoints['nonBasic'][] = $code;
            }
        }
        return $codePoints;
    }