Seems similar issue like #115 and related to PHP 7.2. PHP < 7.2 works fine.
Exception trace:
1 Illuminate\Foundation\Bootstrap\HandleExceptions::handleError("count(): Parameter must be an array or an object that implements Countable", "vendor/fennb/phirehose/lib/Phirehose.php")
/vendor/fennb/phirehose/lib/Phirehose.php : 613
2 Phirehose::connect()
/vendor/fennb/phirehose/lib/Phirehose.php : 824
Seems similar issue like #115 and related to PHP 7.2. PHP < 7.2 works fine.
Exception trace: