[GitHub] [netbeans] the-liquid-metal opened a new issue, #5070: [PHP] Autovivification is not produce warning/error message on simple value

[GitBox]

the-liquid-metal opened a new issue, #5070:
URL: https://github.com/apache/netbeans/issues/5070

   ### Apache NetBeans version
   
   Apache NetBeans 16
   
   ### What happened
   
   Autovivification is the automatic creation of new array as required every 
time a value is dereferenced.
   
   In autovivification context, PHP 7.x and 8.x treat values in different ways:
   - undefined and null are always produce new array
   - other values produce error or warning
   
   reference:
   - [Deprecate autovivification on 
false](https://wiki.php.net/rfc/pure-intersection-types)
   
   At the moment, Netbeans does not produce warning/error message on any value
   
   ### How to reproduce
   
   ```php
   <?php
   declare(strict_types=1);
   
   class MyClass {
       public array  $propArray = [];
       public null   $propNull = null;
       public int    $propint = 10;
       public float  $propFloat = 20.34;
       public bool   $propBool = false;
       public string $propString = "Hello";
       public object $propObject;
   }
   
   function returnArray(): array {
       return [];
   }
   
   function returnNull(): null{
       return null;
   }
   
   function returnInt(): int {
       return 10;
   }
   
   function returnFloat(): float{
       return 20.34;
   }
   
   function returnBool(): bool {
       return false;
   }
   
   function returnString(): bool {
       return false;
   }
   
   function returnObject(): object {
       return new stdClass;
   }
   
   $myInst = new MyClass;
   
   // --- below are OK 
------------------------------------------------------------
   $var1a = [];
   $var1a[] = 100;
   
   $var1b = returnArray();
   $var1b[] = 100;
   
   $var1c = $myInst->propArray;
   $var1c[] = 100;
   
   // --- below are OK 
------------------------------------------------------------
   $var2a = null;
   $var2a[] = 100;
   
   $var2b = returnNull();
   $var2b[] = 100;
   
   $var2c = $myInst->propNull;
   $var2c[] = 100;
   
   // --- below are OK 
------------------------------------------------------------
   // $var3 is undefined
   $var3[] = 100;
   
   // --- below are produce deprecation error in 8.1 and fatal error in 9.0. 
------
   $var4a = false;
   $var4a[] = 100;
   
   $var4b[] = returnBool();
   $var4b[] = 100;
   
   $var4b[] = $myInst->propBool;
   $var4b[] = 100;
   
   // --- below are produce Fatal error in 8.x and warning in 7.x 
-----------------
   $var5a = 10;
   $var5a[] = 100;
   
   $var5b = returnInt();
   $var5b[] = 100;
   
   $var5c = $myInst->propInt;
   $var5c[] = 100;
   
   // --- below are produce Fatal error in 8.x and warning in 7.x 
-----------------
   $var6a = 20.34;
   $var6a[] = 100;
   
   $var6b = returnFloat();
   $var6b[] = 100;
   
   $var6c = $myInst->propFloat;
   $var6c[] = 100;
   
   // --- below are produce Fatal error in 8.x and warning in 7.x 
-----------------
   $var7a = "Hello";
   $var7a[] = 100;
   
   $var7b = returnString();
   $var7b[] = 100;
   
   $var7c = $myInst->propString;
   $var7c[] = 100;
   
   // --- below are produce Fatal error 
-------------------------------------------
   $var8a = new stdClass;
   $var8a[] = 100;
   
   $var8b = returnObject();
   $var8b[] = 100;
   
   $var8c = $myInst->propObject;
   $var8c[] = 100;
   
   // 
-----------------------------------------------------------------------------
   
   function test(
       array  $argArray,
       null   $argNull,
       int    $argInt,
       float  $argFloat,
       bool   $argBool,
       string $argString,
       object $argObject
   ) {
       // --- below are OK 
--------------------------------------------------------
       $argArray[] = 100;
       $argNull[] = 100;
   
       // --- below are produce Fatal error in 8.x and warning in 7.x 
-------------
       $argInt[] = 100;
       $argFloat[] = 100;
       $argBool[] = 100;
       $argString[] = 100;
   
       // --- below are produce Fatal error 
---------------------------------------
       $argObject[] = 100;
   }
   
   
   ### 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 provided installer
   
   ### Anything else
   
   _No response_
   
   ### Are you willing to submit a pull request?
   
   No
   
   ### Code of Conduct
   
   Yes


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