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<?php class Foo { public int $bar { get => $this->bar; set => empty($this->bar) ? $this->bar = $value : throw new LogicException("nope"); } } $foo = new Foo; $foo->bar = 0; var_dump($foo->bar); $foo->bar = 1; // no error ! var_dump($foo->bar);
Output for git.master_jit, git.master
int(0) int(1)

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