Sometimes you'll run a program on Reclaim, and get a blank page. There might be errors in your code, but they're not showing up.
What's the haps?
By default, Reclaim configures PHP to suppress error messages. That's a Bad Thing when you're learning.
You can change it. Start up ye olde cPanel. Run the MultiPHP INI Editor. php.ini is a file that tells the server how it should run PHP. cPanel makes it easy to change ini files.
Each subdomain has its own php.ini file. Choose the one you want to change:
You should set error reporting for your exercises subdomain, at the very least:
Turn on error reporting:
Don't forget to Apply.