Some additional repos to consider:
bencoder — A Bencode serializer and deserializer in pure PHP.
s9e/Bencode — s9e\Bencode is a simple Bencode library. It's probably the fastest and most efficient way to read bencoded strings on PHP 5.4 to PHP 5.6.
sandfoxme/bencode — PHP Bencode (BitTorrent) Encoder/Decoder
Once a week...... I send out a list of most interesting PHP libraries and apps.
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