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<?php class X { public readonly Y $y; public function __construct() { $this->y = new Y(); } } class Y {} $x = new X(); unset($x->y); var_dump($x->y);
Output for 8.1.32 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Fatal error: Uncaught Error: Cannot unset readonly property X::$y in /in/JZIsJ:14 Stack trace: #0 {main} thrown in /in/JZIsJ on line 14
Process exited with code 255.
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