PHP Manual
Gupnp 函数
Set service proxy callback for signal

gupnp_service_proxy_callback_set

(PECL gupnp >= 0.1.0)

gupnp_service_proxy_callback_set — Set service proxy callback for signal

说明

gupnp_service_proxy_callback_set ( resource $proxy , int $signal , mixed $callback [, mixed $arg ] ) : bool

Set service proxy callback for signal.

参数

proxy

A service proxy identifier.

signal

The value of signal.

GUPNP_SIGNAL_SUBSCRIPTION_LOST: Emitted whenever the subscription to this service has been lost due to an error condition.

callback

The callback function for the certain signal. Typically, callback function takes on two parameters. error parameter's message being the first, and the arg is second.

arg

User data for callback.

返回值

成功时返回 TRUE，或者在失败时返回 FALSE。

错误／异常

Issues E_WARNING either with not valid callback function or with not valid signal.

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