$f->Add('S', 5);
$f->Add('T', 7);
$f->Add('U', 4);
$f->Add('V', 2);
$f->Add('W', 2);
$f->Add('X', 1);
$f->Add('Y', 2);
$f->Add('Z', 1);
$binary = HuffmanStream::GetBinaryStream($f, 'INFORMATIONISTHES');
//echo strlen($binary);exit;
//echo '<br>';
$base64 = Base64::Encode($binary);
echo $base64;
echo '<br>';
$f->Reset();
echo HuffmanStream::GetSymbolStream($f, Base64::Decode($base64));
class HuffmanStream
{
var $frequency_table;
public static function GetBinaryStream($frequencies, $symbol_stream)
{
$stream = '';
$length = strlen($symbol_stream);
for ($index = 0; $index < $length; $index++) {
$codes = Huffman::GetCodes($frequencies->AsTable());
$symbol = substr($symbol_stream, $index, 1);
$stream .= $codes[$symbol];
$frequencies->Adjust($symbol, -1);
}
return $stream;
}