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<?php declare(strict_types = 1); class Cl {} /** * @property int $prop */ $a = new #[\AllowDynamicProperties] class() extends Cl {}; $a->prop = 10; var_dump($a->prop); var_dump((new \ReflectionClass($a))->getDocComment());
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
int(10) string(30) "/** * @property int $prop */"

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