the-liquid-metal opened a new issue, #5072:
URL: https://github.com/apache/netbeans/issues/5072
### Apache NetBeans version
Apache NetBeans 16
### What happened
Netbeans already able to validate and highlight class name in context of
intersection types. All accepted position: function argument type, function
return type, property type are fine. Unfortunately this did not happen to
interface. There are:
- missing validation and highlighting on function return type, property type.
- missing validation on function argument type.
### How to reproduce
```php
<?php
class Class1 {}
class Class2 {}
interface Iface1 {}
interface Iface2 {}
// displayed highlight: all accept null
// missing highlight: [none]
// displayed error: null and duplicate Class1
// missing error: duplicate Iface1
function funcX(Class1 & Class2 & Iface1 & Iface2 & null & Class1 & Iface1
$arg1) {
echo $arg1;
}
// displayed highlight: Class1 and Class2
// missing highlight: Iface1 and Iface2
// displayed error: null and duplicate Class1
// missing error: duplicate Iface1
function funcY($arg1): Class1 & Class2 & Iface1 & Iface2 & null & Class1 &
Iface1 {
echo $arg1;
}
class Class3 {
// displayed highlight: Class1 and Class2
// missing highlight: Iface1 and Iface2
// displayed error: null and duplicate Class1
// missing error: duplicate Iface1
public Class1 & Class2 & Iface1 & Iface2 & null & Class1 & Iface1 $prop1;
}
```
### 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?
Yes
### Code of Conduct
Yes
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