3v4l.org

run code in 300+ PHP versions simultaneously
<?php const FOO = (int) "42";
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.14, 8.3.0 - 8.3.1
Fatal error: Constant expression contains invalid operations in /in/0Wl9X on line 3
Process exited with code 255.
preferences:
182.65 ms | 1004 KiB | 7 Q