3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = "Bleh!"; $b = "Ho Hum"; function testIt (&$b){ $b = "Yay!"; } testIt($a); echo $a; echo $b;
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Yay!Ho Hum