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Swoole\Connection\Iterator::key

(PHP 5 >= 5.2.0, PHP 7, PECL swoole >= 1.9.0)

Swoole\Connection\Iterator::keyReturn key of the current connection.

说明

public Swoole\Connection\Iterator::key ( void ) : int

This function returns key of the current connection.

参数

此函数没有参数。

返回值

Key of the current connection.

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