RecursiveRegexIterator::getChildren()
(PHP 5 >= 5.2.0, PHP 7)
Returns an iterator for the current entry
说明
public RecursiveRegexIterator::getChildren(void): RecursiveRegexIterator
Returns an iterator for the current iterator entry.
参数
此函数没有参数。
返回值
An iterator for the current entry, if it can be iterated over by the inner iterator.
错误/异常
An InvalidArgumentException will be thrown if the current entry does not contain a value that can be iterated over by the inner iterator.
范例
RecursiveRegexIterator::getChildren() example
<?php $rArrayIterator = new RecursiveArrayIterator(array('test1', array('tet3', 'test4', 'test5'))); $rRegexIterator = new RecursiveRegexIterator($rArrayIterator, '/^test/', RecursiveRegexIterator::ALL_MATCHES); foreach ($rRegexIterator as $key1 => $value1) { if ($rRegexIterator->hasChildren()) { // print all children echo "Children: "; foreach ($rRegexIterator->getChildren() as $key => $value) { echo $value . " "; } echo "\n"; } else { echo "No children\n"; } } ?>
以上例程会输出:
No children Children: test4 test5
参见
- RecursiveRegexIterator::hasChildren() Returns whether an iterator can be obtained for the current entry