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<?php class Clazz { public ?int $foo; public function __construct(int $foo) { $this->foo = $foo; } } $class = new Clazz(1); unset($class->foo); echo $class->foo;
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Typed property Clazz::$foo must not be accessed before initialization in /in/V8uuP:16 Stack trace: #0 {main} thrown in /in/V8uuP on line 16
Process exited with code 255.
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