PHP Manual
RecursiveCallbackFilterIterator
Return the inner iterator's children contained in a RecursiveCallbackFilterIterator

RecursiveCallbackFilterIterator::getChildren

(PHP 5 >= 5.4.0, PHP 7)

RecursiveCallbackFilterIterator::getChildren — Return the inner iterator's children contained in a RecursiveCallbackFilterIterator

说明

public RecursiveCallbackFilterIterator::getChildren ( void ) : RecursiveCallbackFilterIterator

Fetches the filtered children of the inner iterator.

RecursiveCallbackFilterIterator::hasChildren() should be used to determine if there are children to be fetched.

参数

此函数没有参数。

返回值

Returns a RecursiveCallbackFilterIterator containing the children.

参见

RecursiveCallbackFilterIterator Examples
RecursiveCallbackFilterIterator::__construct() - Create a RecursiveCallbackFilterIterator from a RecursiveIterator
RecursiveCallbackFilteriterator::hasChildren() - Check whether the inner iterator's current element has children

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