APCUIterator::key

(PECL apcu >= 5.0.0)

APCUIterator::key — Get iterator key

说明

public APCUIterator::key ( ) : string

Gets the current iterator key.

参数

此函数没有参数。

返回值

Returns the key on success, or false upon failure.

参见

APCUIterator::current() - Get current item
Iterator::key() - 返回当前元素的键

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