3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $uno = 1; $zero = 0; if ($uno) echo "uno"; if ($sero) echo "zero";
Output for 5.0.4 - 7.1.0
uno Notice: Undefined variable: sero in /in/9sQJV on line 5
Output for 4.3.0 - 5.0.3
uno Notice: Undefined variable: sero in /in/9sQJV on line 5