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<?php class MyFoo { public function __construct( #[Inject('baz-value')] public readonly int $bar, ){} } $ref = new ReflectionClass(MyFoo::class); var_dump($ref->getConstructor()->getParameters()[0]->getAttributes()); var_dump($ref->getProperty('bar')->getAttributes());
Output for 8.4.1 - 8.4.14, 8.5.0
array(1) { [0]=> object(ReflectionAttribute)#2 (1) { ["name"]=> string(6) "Inject" } } array(1) { [0]=> object(ReflectionAttribute)#3 (1) { ["name"]=> string(6) "Inject" } }
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28
array(1) { [0]=> object(ReflectionAttribute)#2 (0) { } } array(1) { [0]=> object(ReflectionAttribute)#3 (0) { } }

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