Feature request

refs phpstan/phpstan-src#3885 (review), phpstan/phpstan-src#3886 (comment)
resolve #9475

• Add stringable access check to ClassConstantRule phpstan-src#3910
• MethodCall (should cover NullsafeMethodCall as well, add a test for that)
• MethodCallableNode (first-class callables are represented with a different node)
• StaticMethodCallableNode (first-class callables are represented with a different node)
• StaticCall
• Add stringable access check to AccessPropertiesCheck phpstan-src#4094 (should cover NullsafePropertyFetch as well, add a test for that)
• StaticPropertyFetch
• Variable

#9475 (comment)

Did PHPStan help you today? Did it make you happy in any way?

Two weeks ago, Kotomi gave me PHPStan stickers at PHPCon in Tokyo.

Other people at the conference were also talking about their PHPStan development experiences.