test_http.php

<?php

require_once('rollbar.php');

class EchoLogger {
    public function log($level, $message) {
        echo "[Rollbar] $level $message\n";
    }
}

$config = array(
    'access_token' => 'aaaabbbbccccddddeeeeffff00001111',
    'base_api_url' => 'http://api.rollbar.com/api/1/',
    'environment' => 'test',
    'root' => '/Users/brian/testrollbar',
    'logger' => new EchoLogger()
);
Rollbar::init($config);

try {
    throw new Exception("hello");
} catch (Exception $e) {
    Rollbar::report_exception($e);
}

?>