3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); $foo = 'hello'; var_dump( isset($foo[0][0]) );
Output for 5.4.0 - 5.6.21, hhvm-3.9.1, hhvm-3.11.0 - 3.12.0, 7.0.0 - 7.0.6
bool(true)
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.3.29
bool(false)