3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = "Foo"; $b = "Bar"; function testIt (&$b){ $b = "Yay!"; } testIt($a); testIt($b); print "$a\n"; print "$b\n";
Output for 4.3.0 - 7.2.0
Yay! Yay!