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<?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 for git.master_jit
int(1) int(4)
Output for git.master
int(8) int(0)

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