略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: AppendIterator::getInnerIterator

2024-12-22

AppendIterator::getInnerIterator

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

AppendIterator::getInnerIteratorGets the inner iterator

说明

public AppendIterator::getInnerIterator(): Iterator

This method returns the current inner iterator.

参数

此函数没有参数。

返回值

The current inner iterator, or null if there is not one.

范例

示例 #1 AppendIterator::getInnerIterator() example

<?php
$array_a 
= new ArrayIterator(array('a' => 'aardwolf''b' => 'bear''c' => 'capybara'));
$array_b = new RegexIterator($array_a'/^[ac]/');

$iterator = new AppendIterator;
$iterator->append($array_a);
$iterator->append($array_b);

foreach (
$iterator as $current) {
    
$inner $iterator->getInnerIterator();
    if (
$inner instanceOf RegexIterator) {
        echo 
'Filtered: ';
    } else {
        echo 
'Original: ';
    }
    echo 
$current PHP_EOL;
}
?>

以上例程会输出:

Original: aardwolf
Original: bear
Original: capybara
Filtered: aardwolf
Filtered: capybara

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/appenditerator.getinneriterator.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3