[PHP-DEV] Re: 8.1 / Exception / Property Type / Backwards compatbility

[Björn Larsson via internals]

Den 2021-08-10 kl. 11:55, skrev Philip Hofstetter:

Hello

The following valid <= PHP 8.0 code that intends to make the $line property
public  is a fatal error in 8.1

class FooException extends Exception {
     public $line;
}

However, the fixed code for 8.1:

class FooException extends Exception {
     public int $line;
}

Is a fatal error in <= 8.0

Is there a way to create a class that makes the $line property public
that’s compatible with all versions of PHP without requiring conditional
declaration of the class?

For method return types, we have #[ReturnTypeWillChange], but for property
types 🤷‍♀️

Philip

Hi,

Has this been adressed / solved in some way and does it needs
to be fixed?

I mean we are approaching RC1.

r//Björn L

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