Online PHP editor | output for rMqqA

@ 2025-04-29T21:27:42Z

<?php

#[\Attribute(\Attribute::TARGET_PARAMETER)]
class Inject {
	public function __construct( public readonly string $id ) { }
}

class MyFoo {
	public function __construct(
		#[Inject('baz-value')]
		public readonly int $bar,
	){}
}

$ref = new ReflectionClass(MyFoo::class);

echo "Checking Parameters : ";
$parameters = $ref->getConstructor()->getParameters();
foreach ($parameters as $parameter) {
	foreach ($parameter->getAttributes() as $attribute) {
		$attribute->newInstance();
	}
}
echo "✅\n\n";

echo "Checking Properties : ";
$properties = $ref->getProperties();
foreach ($properties as $property) {
	foreach ($property->getAttributes() as $attribute) {
		$attribute->newInstance();
	}
}
echo "✅\n\n";

Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0: Checking Parameters : ✅ Checking Properties : Fatal error: Uncaught Error: Attribute "Inject" cannot target property (allowed targets: parameter) in /in/rMqqA:30 Stack trace: #0 /in/rMqqA(30): ReflectionAttribute->newInstance() #1 {main} thrown in /in/rMqqA on line 30
Process exited with code 255.
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.

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