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<?php abstract class A { public function toArray() { return get_object_vars($this); } } class C extends A { private $private = 'A'; protected $protected = 'B'; public $public = 'C'; } $c = new C; print_r($c->toArray());
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [protected] => B [public] => C )

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48.49 ms | 406 KiB | 5 Q