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PHP 8.2 readonly classes can have dynamic properties created by unserialize() #9325

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@TysonAndre

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@TysonAndre

Description

The following code:

<?php
readonly class C{}
var_export(unserialize('O:1:"C":1:{s:1:"x";b:1;}'));

Resulted in this output:

\C::__set_state(array(
   'x' => true,
))

But I expected this output instead:

Uncaught Error: Cannot create dynamic property C::$x

PHP Version

PHP 8.2.0beta2

Operating System

No response

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