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run code in 300+ PHP versions simultaneously
<?php class P { /** * @param static[] $a */ public static function f( array $a ):void { } } class C extends P { public function __construct( private int $v ) {} #[Override] public static function f( array $a ):void { foreach ($a as $me) { echo ((string) $me->v) . PHP_EOL; } } } $list = [ new C(1), new C(2), ]; C::f($list);
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
1 2

preferences:
43.32 ms | 710 KiB | 4 Q