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@ 2025-04-16T13:56:23Z

<?php

trait T {
    private static ? int $in = null;
    public static function in() : int {
        if (empty(self::$in)) {
            self::$in = rand(0,10);
        }
        return self::$in;
    }
}

class A { use T; }

class B { use T; }

var_dump(A::in(), B::in());

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
rand: documentation ( source)

preferences:dark modelive previewkey bindings

26.24 ms | 405 KiB | 5 Q