MultipleIterator
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MultipleIterator::attachIterator

(PHP 5 >= 5.3.0)

MultipleIterator::attachIterator — Attaches iterator information

说明

public void MultipleIterator::attachIterator ( Iterator $iterator [, string $infos ] )

Attaches iterator information.

Warning

本函数还未编写文档，仅有参数列表。

参数

iterator

The new iterator to attach.

infos

The associative information for the Iterator, which must be an integer, a string, or NULL.

返回值

Description...

错误/异常

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

参见

MultipleIterator
在线手册：中文 英文
PHP手册
PHP手册 - N: Attaches iterator information

用户评论:

andresdzphp at php dot net (28-Sep-2011 07:14)

<?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"; //3

if ($mit->containsIterator($ait_id)) { //true
    echo "ait_id iterator attached \n";
}

foreach ($mit as $fruit) {
    echo "<pre>";
    print_r($fruit);
    echo "</pre>";
}
?>

Result:

3
ait_id iterator attached

Array
(
    [ID] => c1001
    [NAME] => apple
    [UNITS] => 756
)
Array
(
    [ID] => c1002
    [NAME] => orange
    [UNITS] => 996
)
Array
(
    [ID] => c1003
    [NAME] => banana
    [UNITS] => 2345
)