3v4l.org - online PHP & HHVM shell, run code in 100+ different versions!

About

3v4l.org is an online shell that allows you to evaluate (hence 3v4l) your code on my server. I compiled more than 100 different PHP versions (every version released since 4.3.0) plus HHVM for you to use. For every script you submit, this site tells you:

To keep this site running I spend ~ 100 mBTC monthly; want to help out? Donate through Gratipay or Bitcoin. For updates, follow me on Twitter @3v4l_org.

Have fun!
Sjon

Examples: