RecursiveTreeIterator::valid
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
RecursiveTreeIterator::valid — Check validity
说明
public RecursiveTreeIterator::valid(): bool
Check whether the current position is valid.
警告
本函数还未编写文档，仅有参数列表。
参数
此函数没有参数。
返回值
true if the current position is valid, otherwise false
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