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Property initialization (default value) with property hooks inside readonly classes #15419
Description
Description
Referenced RFC #13455
The following code:
<?php
final readonly class ReadonlyClassWithProperty
{
public const int DEFAULT_VALUE = 640;
public function __construct(
public int $value = self::DEFAULT_VALUE {
set(int $value) => $value;
},
) {}
}
// Need to create new object multiple times
$ctx = new ReadonlyClassWithProperty();
$ctx = new ReadonlyClassWithProperty();Resulted in this output:
*nothing*
But I expected this output instead:
PHP Fatal error: Uncaught Error: Cannot modify readonly property ReadonlyClassWithProperty::$value in ...
Stack trace:
#0 ...: ReadonlyClassWithProperty->$value::set(640)
#1 ...: ReadonlyClassWithProperty->__construct()
#2 {main}
thrown in ...
@iluuu1994 I mention you again, this time it's a not known issue, right?)
PHP Version
PHP 8.4-beta1
Operating System
No response
Activity
[-]Property initialization with property hooks[/-][+]Property initialization (default value) with property hooks inside readonly classes[/+]iluuu1994 commentedon Aug 15, 2024
@SerafimArts Indeed, thanks for the report. Hooks may not be used on readonly properties currently. Somewhere the readonly flag is lost.
Fix missing compile error when declaring hooked props on readonly cla…