MultipleIterator::attachIterator

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

MultipleIterator::attachIterator — Attaches iterator information

说明

public MultipleIterator::attachIterator(Iterator $iterator, string|int|null $info = null): void

Attaches iterator information.

警告

本函数还未编写文档，仅有参数列表。

参数

iterator: The new iterator to attach.
info: The associative information for the Iterator, which must be an int, a string, or null.

返回值

Description...

错误／异常

An IllegalValueException if the iterator parameter is invalid, or if info is already associated information.

参见

MultipleIterator::__construct() - Constructs a new MultipleIterator

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andresdzphp at php dot net ¶

13 years ago

<?php$ait_id = new ArrayIterator(array('c1001', 'c1002', 'c1003'));$ait_name = new ArrayIterator(array('apple', 'orange', 'banana'));$ait_units = new ArrayIterator(array(756, 996, 2345));$mit = new MultipleIterator(MultipleIterator::MIT_KEYS_ASSOC);$mit->attachIterator($ait_id, "ID");$mit->attachIterator($ait_name, "NAME");$mit->attachIterator($ait_units, "UNITS");echo $mit->countIterators() . "\n"; //3if ($mit->containsIterator($ait_id)) { //true    echo "ait_id iterator attached \n";}foreach ($mit as $fruit) {    echo "<pre>";    print_r($fruit);    echo "</pre>";}?>Result:3ait_id iterator attachedArray(    [ID] => c1001    [NAME] => apple    [UNITS] => 756)Array(    [ID] => c1002    [NAME] => orange    [UNITS] => 996)Array(    [ID] => c1003    [NAME] => banana    [UNITS] => 2345)