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<?php function struct(string $name, array $class) { $class = json_encode($class); define($name, $class); } function create($class) { $object = (array) json_decode($class); return $object; } function call(array &$class, string $member, ...$args) { if(!isset($class[$member])) exit($member.' is not a member of the class.'); else { if(!isset($args[0])) call_user_func([$class, $member], $class); else call_user_func([$class, $member], $class, $args); } } call([ 'foo' => function (&$this) { echo('Hello World!'); } ], 'foo');