Logger.php

<?php

/* 
 * We want to implement a logger
 * 
 * We can have several loggers: 'bugsnag', 'sentry', 'file', 'database', 'redis'
 *
 * We want to be able to store which logger we use in our .env file
 *
 * Your job: 
 * 1. Create some classes with methods (don't write any code inside methods), so we can switch loggers
 * 2. Log the string "Using a logger!" with the current logger