Online PHP editor | output for C0kp6

<?php class test implements arrayaccess { public function offsetSet($offset, $value) { var_dump($offset); var_dump($value); } public function offsetExists($offset) { return isset($this->container[$offset]); } public function offsetUnset($offset) { unset($this->container[$offset]); } public function offsetGet($offset) { return isset($this->container[$offset]) ? $this->container[$offset] : null; } } new test()[5] = 12345;