voku / swiftmailer

        while (false !== $bytes = $os->read($startLength)) {

            $c = array();

            for ($i = 0, $len = strlen($bytes); $i < $len; ++$i) {

                $c[] = self::$_byteMap[$bytes[$i]];

            }

            $size = count($c);

            $need = $this->_charReader->validateByteSequence($c, $size);

            $need = $this->_charReader->validateByteSequence($c, $size);

            if ($need > 0 &&

                false !== $bytes = $os->read($need)) {

                for ($i = 0, $len = strlen($bytes); $i < $len; ++$i) {

                    $c[] = self::$_byteMap[$bytes[$i]];

                }

            }

            $this->_array[] = $c;

    {

        if (!feof($fp) && ($bytes = fread($fp, $len)) !== false) {

            $buf = array();

            for ($i = 0, $len = strlen($bytes); $i < $len; ++$i) {

                $buf[] = self::$_byteMap[$bytes[$i]];

            }

            return $buf;

        }