(PHP 5 >= 5.1.0, PHP 7, PHP 8)
RecursiveCachingIterator::hasChildren — Check whether the current element of the inner iterator has children
本函數還未編寫(xiě)文檔，僅有參數列表。
此函數沒(méi)有參數。
true if the inner iterator has children, otherwise false
true
false