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<?php readonly class Foobar { public function __construct(public string $foo) {} } try { $reflection = new ReflectionClass(Foobar::class); $obj = $reflection->newInstanceWithoutConstructor(); echo $obj->foo, PHP_EOL; } catch (Throwable $exception) { echo $exception->getMessage(), PHP_EOL, $exception::class, PHP_EOL, implode(PHP_EOL, class_parents($exception)); }
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
Typed property Foobar::$foo must not be accessed before initialization Error
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 8.1.32
Parse error: syntax error, unexpected token "readonly", expecting end of file in /in/Wn7En on line 3
Process exited with code 255.

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