Returns an iterator for the current entry

# RecursiveIterator::getChildren

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

RecursiveIterator::getChildren — Returns an iterator for the current entry

### 说明

public function RecursiveIterator::getChildren(): ?RecursiveIterator

Returns an iterator for the current iterator entry.

### 参数

此函数没有参数。

### 返回值

Returns an iterator for the current entry if it exists, or `null` otherwise.

### 参见

- RecursiveIterator::hasChildren() - Returns if an iterator can be created for the current entry

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