LimitIterator::valid
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
LimitIterator::valid — Check whether the current element is valid
说明
public LimitIterator::valid(): boolChecks whether the current element is valid.
参数
此函数没有参数。
返回值
成功时返回 true
, 或者在失败时返回 false
。
参见
LimitIterator::current() - Get current element LimitIterator::key() - Get current key LimitIterator::rewind() - Rewind the iterator to the specified starting offset LimitIterator::next() - Move the iterator forward LimitIterator::seek() - Seek to the given position
User Contributed Notes
There are no user contributed notes for this page.官方地址:https://www.php.net/manual/en/limititerator.valid.php