- Output for 8.1.0 - 8.1.31, 8.2.0 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
- array(1) { [0]=> int(0) }
<?php
#[\Attribute]
final class Attr1 {}
#[\Attribute]
final class Attr2 {}
final class A
{
public function __construct(
#[Attr1]
#[Attr2]
public string $a
) {}
}
$reflection = new \ReflectionClass(A::class);
var_dump(array_keys($reflection->getConstructor()->getParameters()[0]->getAttributes(Attr2::class)));