Up to v3 there were a couple of easy ways to write out responses to a path:

• simply return a string from the function: $app->get('/', fn() => 'hello world');
• write to the response: $app->get('/', fn($req, $res) => $res->write('hello world'));
• write JSON with $res->withJson() (this one is completely gone and we've got to default to json_encode() calls)

The first met

Description

When writing out a tag with a variable class attribute, like follows (a simplified case):

- some_variable = "my-class"
ul class=some_variable

It generates the correct HTML, but produces the following warning:

page.slim:2: warning: possibly useless use of a variable in void context

It also produces such a warning (yet correct output) even if you d

when i follow the recommended consul-upgrade steps, i have the following doubt:

At the beginning, i have 3 consul server(A/B/C) with one in bootstrap mode(A).

when i run 'consul leave' command in the server with bootstrap-mode(A), the remaining 2 servers will elect new leader(B). no error here.
when i restart A with bootstrap mode, there comes the error.
should i remove the bootstrap opti

PHP Fatal error: Class 'App\Validation\validator' not found in /data/www/slim402/bootstrap/app.php on line 66

Hello, the line should be:
return new App\Validation\validator;
instead of
return new App\Validation\Validator;

Implement CPU/memory status using /proc ? On windows uses perfcounetrs.