RecursiveIteratorIterator
PHP Manual

RecursiveIteratorIterator::callHasChildren

(PHP 5 >= 5.1.0, PHP 7)

RecursiveIteratorIterator::callHasChildrenHas children

说明

public bool RecursiveIteratorIterator::callHasChildren ( void )

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 the element has children, otherwise FALSE


RecursiveIteratorIterator
PHP Manual