Constructor readonly properties not detected as a PHP 8.1 feature

[llaville]

Bug report category

• Feature issue.

Summary

Constructor readonly properties not detected as a PHP 8.1 feature.
Learn more with https://php.watch/versions/8.1/readonly#constructor-readonly

Expected behaviour

Detect constructor readonly properties with Bartlett\CompatInfo\Application\Sniffs\Classes\ReadonlyPropertySniff

Actual behaviour

Only class property in AST (with Node\Stmt\Property) is analysed.
Should also analyse in AST (the param list of Node\FunctionLike)

[llaville]

Tests with https://github.com/llaville/php-compatinfo/releases/tag/7.1.3 on following source code.

<?php
class Test {
    public function __construct(public readonly string $prop) {
    }
}

analyser:run command returns with console reporter

[OK] Requires PHP 8.0.0alpha1 (min)

and on details with rule reporter

Stats
-----

 PHP 70 :   1 rule(s) found
 PHP 80 :   1 rule(s) found

Rules
-----

         code : CA7008
  description : Parameters Type Declaration 'string' is available since PHP 7.0.0
        sniff : ParamTypeDeclarationSniff
      methods : (1)
 Test\__construct

         code : CA8003
  description : Constructor property promotion is available since PHP 8.0.0
        sniff : PropertyPromotionSniff
      methods : (1)
 Test\__construct

While CA8102 rule should also be detected

[llaville]

Verifications are now done. Closing this report