MultipleIterator::attachIterator

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

    MultipleIterator::attachIterator — Attaches iterator information

    Опис

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

    Attaches iterator information.

    Увага

    Наразі ця функція не документована. Доступний лише список її параметрів.

    Параметри

    iterator

    The new iterator to attach.

    info

    The associative information for the Iterator, which must be an int, a string, or null.

    Значення, що повертаються

    Description...

    Помилки/виключення

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

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    User Contributed Notes 1 note

    up
    7
    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"; //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
    )
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