3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foop { public $abc = false; function foo() { static $a = $this->abc; static $b = $this->bar(); static $c = $this?->bar($this?->abc); static $d = function($a) { return $a * 10; }; static $e = fn($a) => $a * 10; static $f = ltrim(...); } function bar() {} }
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Output for 8.1.34, 8.2.0 - 8.2.30
Fatal error: Constant expression contains invalid operations in /in/Hm4Zq on line 7
Process exited with code 255.

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