public function encode($data)
{
$result = new BitArray();
while (strlen($data) >= 32) {
$chunkLength = min(strlen($data), 2048 + 32 - 1);
$result->append(self::CODE_UPPER_BS, 5);
$result->append(0, 5);
$result->append($chunkLength - 32, 11);
$result->appendBytes(substr($data, 0, $chunkLength));
$data = substr($data, $chunkLength);
}
if (strlen($data) > 0) {
$result->append(self::CODE_UPPER_BS, 5);
$result->append(strlen($data), 5);
$result->appendBytes($data);
}
return $result;
}
public function testAppendBytes()
{
$array = new BitArray(2);
$array->appendBytes('AB');
$this->assertEquals(array(0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0), $array->asArray());
}