Missing validation on missing visibility modifier

[the-liquid-metal]

Bug Description Missing validation on missing visibility modifier.

Eclipse environment Version: 2023-06 (4.28.0) Build id: 20230608-1333 PDT: 8.0.0.202306050832

System

• PHP Version: 8.2.7, 8.1.20, 8.0.29, 7.4.33 (via https://onlinephp.io/)

To Reproduce Steps to reproduce the behavior: copy-paste this script to the IDE

<?php
declare(strict_types=1);

namespace ns1\ns2;

interface Test60 {
    public function fn1(int $a);
    function fn2(int $a);           // this statement should trigger warning
}

abstract class Test60b {
    public abstract function fn1(int $a);
    abstract function fn2(int $a);  // this statement should trigger warning
}

class Test60c {
    public function fn1(int $a) {}
    function fn2(int $a) {}         // this statement should trigger warning
}

trait Test60d {
    public function fn1(int $a) {}
    function fn2(int $a) {}         // this statement should trigger warning
}