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<?php trait PropertiesTrait { public array $x = []; } class AbstractPropertiesExample { public array $x = []; public function __construct( ?array $x = [] ) { $this->x = $x; } } class PropertiesExample extends AbstractPropertiesExample { use PropertiesTrait; } $example = new PropertiesExample; $example->x;
Output for 8.1.26 - 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

preferences:
27.44 ms | 1136 KiB | 7 Q