3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php // Everything you enter here will be executed by our servers. Try it! $foo = 'bar'. ($foo = 'foo $foo'); echo $foo; if(0 == 'true') { echo 'true'; }
Output for 4.3.0 - 7.2.0
barfoo $footrue