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  • ArrayObject::setIteratorClass()

    (PHP 5 >= 5.1.0, PHP 7)

    Sets the iterator classname for the ArrayObject

    说明

    publicArrayObject::setIteratorClass(string $iterator_class): void

    Sets the classname of the array iterator that is used by ArrayObject::getIterator().

    参数

    $iterator_class

    The classname of the array iterator to use when iterating over this object.

    返回值

    没有返回值。

    范例

    ArrayObject::setIteratorClass() example

    <?php
    // Custom ArrayIterator (inherits from ArrayIterator)
    class MyArrayIterator extends ArrayIterator {
        // custom implementation
    }
    // Array of available fruits
    $fruits = array("lemons" => 1, "oranges" => 4, "bananas" => 5, "apples" => 10);
    $fruitsArrayObject = new ArrayObject($fruits);
    // Set the iterator classname to the newly
    $fruitsArrayObject->setIteratorClass('MyArrayIterator');
    print_r($fruitsArrayObject->getIterator());
    ?>
    

    以上例程会输出:

    MyArrayIterator Object
    (
        [lemons] => 1
        [oranges] => 4
        [bananas] => 5
        [apples] => 10
    )