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<?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');
Output for git.master, git.master_jit, rfc.property-hooks
string(19) "bar exists in $vars" Fatal error: Uncaught AssertionError: assert(array_key_exists('foobar', $vars)) in /in/eg6o0:12 Stack trace: #0 /in/eg6o0(12): assert(false, 'assert(array_ke...') #1 {main} thrown in /in/eg6o0 on line 12
Process exited with code 255.

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