3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL | E_STRICT); $array = []; var_dump(isset($array['hello']));
Output for 8.4.1 - 8.4.8
Deprecated: Constant E_STRICT is deprecated in /in/3r4fg on line 2 bool(false)
Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.22
bool(false)
preferences:
136.48 ms | 409 KiB | 5 Q