Php/docs/arrayobject.setiteratorclass

• PHP Manual
• ArrayObject
• Sets the iterator classname for the ArrayObject

ArrayObject::setIteratorClass

(PHP 5 >= 5.1.0, PHP 7)

ArrayObject::setIteratorClass — Sets the iterator classname for the ArrayObject

说明

public ArrayObject::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

Example #1 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
)