APCUIterator::valid
(PECL apcu >= 5.0.0)
APCUIterator::valid — Checks if current position is valid
说明
public APCUIterator::valid(): bool
Checks if the current iterator position is valid.
参数
此函数没有参数。
返回值
Returns true if the current iterator position is valid, otherwise false.
参见
- APCUIterator::current() - Get current item
- Iterator::valid() - 检查当前位置是否有效
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