3v4l.org

run code in 300+ PHP versions simultaneously
<?php #[Attribute(Attribute::TARGET_CLASS_CONSTANT)] class TestAttribute { public function __construct(public string $value) { } } enum TestNum { #[TestAttribute('alpha value')] case ALPHA; #[TestAttribute('beta value')] case BETA; } $obj = TestNum::ALPHA; $reflection = new ReflectionClass($obj); $classAttributes = $reflection->getAttributes(TestAttribute::class); var_dump($classAttributes);
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(0) { }
Output for 8.0.1 - 8.0.30
Parse error: syntax error, unexpected identifier "TestNum" in /in/uLDVQ on line 11
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Parse error: syntax error, unexpected 'public' (T_PUBLIC), expecting variable (T_VARIABLE) in /in/uLDVQ on line 6
Process exited with code 255.
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