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<?php declare(strict_types = 1); class Dvach { public function allou (): void { echo $this->childProp; } } class Mailach extends Dvach { protected int $childProp = 100500; } $o = new Mailach(); $o->allou(); $d = new Dvach(); $d->allou();
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
100500 Warning: Undefined property: Dvach::$childProp in /in/0gb3O on line 6

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55.08 ms | 989 KiB | 4 Q