3v4l.org

run code in 300+ PHP versions simultaneously
<?php const FOO = new stdClass(); var_dump(FOO); $foo = FOO; $foo->bar = 'bar'; var_dump(FOO);
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.5 - 8.3.25, 8.4.1 - 8.4.12
object(stdClass)#1 (0) { } object(stdClass)#1 (1) { ["bar"]=> string(3) "bar" }
Output for 8.0.1 - 8.0.30
Fatal error: Constant expression contains invalid operations in /in/s7rHE on line 3
Process exited with code 255.
preferences:
68.57 ms | 407 KiB | 5 Q