gistfile1.php

<?php

class StatsdEventHandler {
    public function increment($metrics, $delta, $sampleRate, $event)
    {
        
    }

    public function subscribe($events)
    {
        $events->listen('statsd.increment.*', 'StatsdEventHandler@increment');
    }
}

gistfile2.php

<?php 

Event::fire('statsd.increment.web.login');

Event::fire('statsd.increment.web.login', array(1));

Event::fire('statsd.increment', array(array(
    'first.metric',
    'second.metric'
), 2));