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<?php class A { static $count; function b() { if (null === static::$count) { static::$count = 1; return ['a', 'b']; } return static::$count++; } } $a = new A; var_dump($a->b(), $a->b()); A::$count = null; $a = new A; var_dump($a->b()[$a->b()]);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } int(1) string(1) "b"

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