略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: RecursiveRegexIterator::hasChildren

2024-11-13

RecursiveRegexIterator::hasChildren

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

RecursiveRegexIterator::hasChildrenReturns whether an iterator can be obtained for the current entry

说明

public RecursiveRegexIterator::hasChildren(): bool

Returns whether an iterator can be obtained for the current entry. This iterator can be obtained via RecursiveRegexIterator::getChildren().

参数

此函数没有参数。

返回值

Returns true if an iterator can be obtained for the current entry, otherwise returns false.

范例

示例 #1 RecursiveRegexIterator::hasChildren() example

<?php
$rArrayIterator 
= new RecursiveArrayIterator(array('test1', array('tet3''test4''test5')));
$rRegexIterator = new RecursiveRegexIterator($rArrayIterator'/^test/',
    
RecursiveRegexIterator::ALL_MATCHES);

foreach (
$rRegexIterator as $value) {
    
var_dump($rRegexIterator->hasChildren());
}
?>

以上例程会输出:

bool(false)
bool(true)

参见

add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/recursiveregexiterator.haschildren.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3