Online PHP editor | output for oFdZs

<?php function struct(string $name, array $class) { $class = json_encode($class); define($name, $class); } function create($class) { $class = json_decode($class); $array = []; foreach($class as $key => $value) { if(is_array($value)) $array += [$key => create($value)]; else $array += [$key => $value]; } return $array; } function call(array &$class, string $member, ...$args) { if(!isset($class[$member])) exit($member.' is not a member of the class.'); else { if(!is_callable($class[$member])) return $class[$member]; else { if(!isset($args[0])) $class[$member]($class); else echo('Erro'); } } } struct('myClass', [ 'foo' => 'Hello World!', 'bar' => function (&$this) { $this['foo'] = ' Hi!'; } ]); $obj = create(myClass); echo(call($obj, 'foo')); call($obj, 'bar'); call($obj, 'foo');