Online PHP editor | refs for eg6o0

<?php class A { public ?string $foo; public string $foobar; public ?string $bar = ''; } $vars = get_object_vars(new A); var_dump(assert(array_key_exists('bar', $vars)) ? 'bar exists in $vars' : 'bar does not exist in $vars'); var_dump(assert(array_key_exists('foobar', $vars)) ? 'foobar exists in $vars' : 'foobar does not exist in $vars'); var_dump(assert(array_key_exists('foo', $vars)) ? 'foo exists in $vars' : 'foo does not exist in $vars');