I guess this change is not compatible with PHP 5.5 (and PHP 5.6) as defined in composer.json within the 3.x branch.

• https://github.com/slimphp/Slim/blob/3.x/composer.json#L31
• https://3v4l.org/ZY1Vc#v5.5.38

// Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/coZnH on line 170
public function offsetExists($key): bool

The minimum version would then require PHP >=7.0 for the v3 branch to work.

I guess this change is not compatible with PHP 5.5 (and PHP 5.6) as defined in composer.json within the 3.x branch.

• https://github.com/slimphp/Slim/blob/3.x/composer.json#L31
• https://3v4l.org/ZY1Vc#v5.5.38

// Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/coZnH on line 170
public function offsetExists($key): bool

The minimum version would then require PHP >=7.0 for the v3 branch to work.

We are trying to solve the deprecated errors from our code when we use Slim 3.x on PHP>=7.0. We were checking and we saw another PR that was rejected with the solution that we also propose in this PR. #3186
Can you please consider the last comment in that PR from my co-worker Patrick? Thanks

I've read this post. But as far as I know the Slim 3.x branch is only for essential security updates, but not for new features such as PHP 8 support. To get PHP 8 support, you need to upgrade to Slim 4.

I've read this post. But as far as I know the Slim 3.x branch is only for essential security updates, but not for new features such as PHP 8 support. To get PHP 8 support, you need to upgrade to Slim 4.

It's not possible for us right now to upgrade to PHP 8.1. We already have PHP 8.0.

As @odan mentioned, Slim 3.x will not get PHP 8.x support.

Closing this as resolved