php bitcoind zeromq sub demo

btc-zmq-demo.php

<?php

// require zmq extension in ubuntu run `sudo apt install php-zmq` to install it

$context = new \ZMQContext();
$subscriber = new \ZMQSocket($context, \ZMQ::SOCKET_SUB);
$subscriber->connect("tcp://192.168.1.136:28332");
$subscriber->setSockOpt(\ZMQ::SOCKOPT_SUBSCRIBE, "hashblock");
$subscriber->setSockOpt(\ZMQ::SOCKOPT_SUBSCRIBE, "hashtx");
$subscriber->setSockOpt(\ZMQ::SOCKOPT_SUBSCRIBE, "rawblock");
$subscriber->setSockOpt(\ZMQ::SOCKOPT_SUBSCRIBE, "rawtx");
while (true) {
    $multiRec = $subscriber->recvMulti();
    print(date('Y-m-d H:i:s') . ' rec:' . PHP_EOL);
    $topic = $multiRec[0];
    $body = \bin2hex($multiRec[1]);
    $sequence = \bin2hex($multiRec[2]);
    print("sequence : " . $sequence . PHP_EOL);
    print("topic : " . $topic . PHP_EOL);
    print("body : " . PHP_EOL);
    print($body);
    print(PHP_EOL);
    print("---------------");
    print(PHP_EOL);
}