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run code in 500+ 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 7.1.25 - 7.1.33, 7.2.0 - 7.2.34, 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.
Output for 7.4.4 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
object(Thing)#1 (1) { ["state":"Thing":private]=> string(3) "foo" }

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31.07 ms | 1140 KiB | 9 Q