(PHP 5 >= 5.3.0, PHP 7, PHP 8)
RecursiveTreeIterator::callHasChildren — Has children
Called for each element to test whether it 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 there are children, otherwise false
true
false