3v4l.org

run code in 300+ PHP versions simultaneously
<?php final class Thing { private string $state; public function __construct() { $this->state = 'foo'; } public function __set(string $property, $value) : void { $this->$property = $value; } } var_dump(new Thing());
Output for 7.4.4 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
object(Thing)#1 (1) { ["state":"Thing":private]=> string(3) "foo" }
Output for 7.1.25 - 7.1.32, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected 'string' (T_STRING), expecting function (T_FUNCTION) or const (T_CONST) in /in/Q87jb on line 5
Process exited with code 255.

preferences:
87.83 ms | 1469 KiB | 4 Q