lithium\data\Collection::offsetSet PHP Method

Adds the specified object to the Collection instance, and assigns associated metadata to the added object.

public offsetSet ( string $offset, mixed $data ) : mixed
$offset	string	The offset to assign the value to.
$data	mixed	The entity object to add.
return	mixed	Returns the set `Entity` object.

    public function offsetSet($offset, $data)
    {
        $this->offsetGet($offset);
        return $this->_set($data, $offset);
    }

Collection