wakabadou

	お行儀が良いもの	madness	備考
Level 1	true	!0
Level 2	function () {return 'true';}	str_rot13	madnessはzonuexeさんのヒントにより解明
Level 3	'1'	!0
Level 4	0	0
Level 5	4444	🌸
Level 6	new class {public function __invoke () {return $this;}}	($x=session_id)($x).$x	madnessはhttps://gist.github.com/bordeux/2f679dea12248983dac352da1a34e531#gistcomment-2351397 によるもの
Level 7	(object) [true]	(object)[!0]
Level 8	new class extends Bar {}	new class extends Bar{}