(PHP 4 >= 4.3.3, PHP 5 <= 5.0.5, PECL mnogosearch >= 1.0.0)
udm_alloc_agent_array — Allocate mnoGoSearch session
udm_alloc_agent_array() will create an agent with multiple database connections.
The array databases must contain one database URL per element, analog to the first parameter of udm_alloc_agent().
Returns a resource link identifier on success 或者在失败时返回 FALSE.