RecursiveIterator::hasChildren()
(PHP 5 >= 5.1.0, PHP 7)
Returns if an iterator can be created for the current entry
说明
public RecursiveIterator::hasChildren(void): bool
Returns if an iterator can be created for the current entry.RecursiveIterator::getChildren().
参数
此函数没有参数。
返回值
Returns TRUE
if the current entry can be iterated over, otherwise returns FALSE
.
参见
- RecursiveIterator::getChildren() Returns an iterator for the current entry