Get the number of enqueued Sidekiq jobs from the pull queue using PHP and Redis

sidekiq.php

<?php

$redis = new Redis();
$redis->connect('<redis_server_hostname>', <port>);
$queue_name = 'queue:pull';

$queue_length = $redis->llen($queue_name);

echo "Number of enqueued jobs in '$queue_name': $queue_length";

?>