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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PHP 5 >= 5.3.0)
RecursiveTreeIterator::callHasChildren — Has children
Called for each element to test whether it has children.
本函数还未编写文档,仅有参数列表。
此函数没有参数。
TRUE
if there are children, otherwise FALSE