M1\Vars\Resource\AbstractResource::offsetSet PHP Method

Normal $example[$key] = 'hello' access for the array

public offsetSet ( mixed $key, mixed $value )
$key	mixed	The key to set the value for
$value	mixed	The value to set

    public function offsetSet($key, $value)
    {
        $this->internalSet($this->content, $key, $value);
    }

AbstractResource