[GitHub] [netbeans] the-liquid-metal opened a new issue, #6036: [PHP] Accessing undeclared/inaccessible class constant must produce error

["the-liquid-metal (via GitHub)" <gi...@apache.org>]

the-liquid-metal opened a new issue, #6036:
URL: https://github.com/apache/netbeans/issues/6036

   ### Apache NetBeans version
   
   Apache NetBeans 18
   
   ### What happened
   
   Accessing undeclared/inaccessible class constant must produce error.
   
   ### How to reproduce
   
   ```php
   <?php
   declare(strict_types=1);
   
   class MyClass1 {
       public const PUBLIC_CONST = "foo";
       protected const PROTECTED_CONST = "bar";
       private const PRIVATE_CONST = "baz";
   
       public static function fnStatic() {
           echo static::PUBLIC_CONST;     // OK
           echo static::PROTECTED_CONST;  // OK
           echo static::PRIVATE_CONST;    // OK
           echo static::UNDEFINED_CONST;  // this statement must display error
   
           echo self::PUBLIC_CONST;     // OK
           echo self::PROTECTED_CONST;  // OK
           echo self::PRIVATE_CONST;    // OK
           echo self::UNDEFINED_CONST;  // this statement must display error
       }
   
       public function fnInstance() {
           echo static::PUBLIC_CONST;     // OK
           echo static::PROTECTED_CONST;  // OK
           echo static::PRIVATE_CONST;    // OK
           echo static::UNDEFINED_CONST;  // this statement must display error
   
           echo self::PUBLIC_CONST;     // OK
           echo self::PROTECTED_CONST;  // OK
           echo self::PRIVATE_CONST;    // OK
           echo self::UNDEFINED_CONST;  // this statement must display error
   
           echo $this::PUBLIC_CONST;     // OK
           echo $this::PROTECTED_CONST;  // OK
           echo $this::PRIVATE_CONST;    // OK
           echo $this::UNDEFINED_CONST;  // this statement must display error
       }
   }
   
   class MyClass2 extends MyClass1 {
       public static function fnStatic() {
           echo static::PUBLIC_CONST;     // OK
           echo static::PROTECTED_CONST;  // OK
           echo static::PRIVATE_CONST;    // this statement must display error
           echo static::UNDEFINED_CONST;  // this statement must display error
   
           echo self::PUBLIC_CONST;     // OK
           echo self::PROTECTED_CONST;  // OK
           echo self::PRIVATE_CONST;    // this statement must display error
           echo self::UNDEFINED_CONST;  // this statement must display error
       }
   
       public function fnInstance() {
           echo static::PUBLIC_CONST;     // OK
           echo static::PROTECTED_CONST;  // OK
           echo static::PRIVATE_CONST;    // this statement must display error
           echo static::UNDEFINED_CONST;  // this statement must display error
   
           echo self::PUBLIC_CONST;     // OK
           echo self::PROTECTED_CONST;  // OK
           echo self::PRIVATE_CONST;    // this statement must display error
           echo self::UNDEFINED_CONST;  // this statement must display error
   
           echo $this::PUBLIC_CONST;     // OK
           echo $this::PROTECTED_CONST;  // OK
           echo $this::PRIVATE_CONST;    // this statement must display error
           echo $this::UNDEFINED_CONST;  // this statement must display error
       }
   }
   
   echo MyClass1::PUBLIC_CONST;     // OK
   echo MyClass1::PROTECTED_CONST;  // this statement must display error
   echo MyClass1::PRIVATE_CONST;    // this statement must display error
   echo MyClass1::UNDEFINED_CONST;  // this statement must display error
   
   $ins1 = new MyClass1;
   echo $ins1::PUBLIC_CONST;     // OK
   echo $ins1::PROTECTED_CONST;  // this statement must display error
   echo $ins1::PRIVATE_CONST;    // this statement must display error
   echo $ins1::UNDEFINED_CONST;  // this statement must display error
   
   
   function myFunc(MyClass1 $ins) {
       echo $ins::PUBLIC_CONST;     // OK
       echo $ins::PROTECTED_CONST;  // this statement must display error
       echo $ins::PRIVATE_CONST;    // this statement must display error
       echo $ins::UNDEFINED_CONST;  // this statement must display error
   }
   
   
   $ins1::fnStatic();
   $ins1->fnInstance();
   myFunc($ins1);
   
   $ins2 = new MyClass2;
   $ins2::fnStatic();
   $ins2->fnInstance();
   ```
   
   ### Did this work correctly in an earlier version?
   
   No / Don't know
   
   ### Operating System
   
   Windows 10
   
   ### JDK
   
   Java: 14.0.1; Java HotSpot(TM) 64-Bit Server VM 14.0.1+7 Runtime: Java(TM) SE Runtime Environment 14.0.1+7
   
   ### Apache NetBeans packaging
   
   Apache NetBeans binary zip
   
   ### Anything else
   
   _No response_
   
   ### Are you willing to submit a pull request?
   
   No


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