Check whether the current element of the inner iterator has children

# RecursiveCachingIterator::hasChildren

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

RecursiveCachingIterator::hasChildren — Check whether the current element of the inner iterator has children

### 说明

public function RecursiveCachingIterator::hasChildren(): bool
警告

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 inner iterator has children, otherwise `false`

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