PHP 7.1.21 Released

gupnp_service_proxy_callback_set

(PECL gupnp >= 0.1.0)

gupnp_service_proxy_callback_setSet service proxy callback for signal

说明

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

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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