*/ class ArrayContainer implements ArrayAccess, JsonSerializable { public function __construct(public array $data) { } public function get(string $key, mixed $default = null): mixed { return $this->data[$key] ?? $default; } public function offsetSet($offset, $value): void { if (is_null($offset)) { $this->data[] = $value; } else { $this->data[$offset] = $value; } } public function offsetExists($offset): bool { return isset($this->data[$offset]); } public function offsetUnset($offset): void { unset($this->data[$offset]); } public function offsetGet($offset): mixed { return $this->data[$offset] ?? null; } public function jsonSerialize(): array { return $this->data; } public function toArray(): array { return $this->data; } }