PHP - Manual: APCUIterator::key
2024-11-14
(PECL apcu >= 5.0.0)
APCUIterator::key — Get iterator key
Gets the current iterator key.
此函数没有参数。
Returns the key on success, or false upon failure.
false
官方地址:https://www.php.net/manual/en/apcuiterator.key.php