RecursiveTreeIterator::callHasChildren()
(PHP 5 >= 5.3.0, PHP 7)
Has children
说明
public RecursiveTreeIterator::callHasChildren(void): bool
Called for each element to test whether it has children.
Warning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 there are children, otherwise FALSE