RecursiveIterator::hasChildren
(PHP 5 >= 5.1.0, PHP 7)
RecursiveIterator::hasChildren — 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.