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<?php class Dog { public function __construct(protected bool $woof){} public function __isset(string $name) { if ($name === 'woof') { return $this->woof; } return FALSE; } } $f = new Dog(TRUE); var_export(empty($f->woof)); echo PHP_EOL; var_export(isset($f->woof));
Output for git.master, git.master_jit
true true

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