3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $hola = null; echo $hola??'no definido'; $hola = false; print_r( $hola??'no definido' );
based on 8DkQo
Output for 7.0.0 - 7.2.0
no definido
Output for 5.3.20 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/kucS7 on line 5
Process exited with code 255.