3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(0); $a = 1; function incr(){ global $a; return $a++; // $a is undefined } echo "tt"; echo incr();
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
tt1
Output for hhvm-3.10.0

Process exited with code 153.