Gupnp 函数
PHP Manual

gupnp_service_info_get_introspection

(PECL gupnp >= 0.1.0)

gupnp_service_info_get_introspectionGet resource introspection of service

说明

mixed gupnp_service_info_get_introspection ( resource $proxy [, mixed $callback [, mixed $arg ]] )

Get resource introspection of service or register callback if corresponding parameter was passed.

参数

proxy

A service proxy identifier.

callback

The callback function to be called when introspection object is ready. Typically, callback function takes on three parameters. The introspection parameter's identifier being the first, error parameter's message being the second, and the arg is third.

arg

User data for callback.

返回值

Return true if callback function was defined. Return introspection identifier if callback function was omited.

错误/异常

Issues E_WARNING with not valid callback function.


Gupnp 函数
PHP Manual