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
)