AppendIterator::valid
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
AppendIterator::valid — Checks validity of the current element
参数
此函数没有参数。
返回值
Returns true if the current iteration is valid, false otherwise.
参见
- AppendIterator::current() - Gets the current value
- AppendIterator::key() - Gets the current key
- AppendIterator::next() - Moves to the next element
- AppendIterator::rewind() - Rewinds the Iterator
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