# ArrayObject::setIteratorClass

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

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

### 说明

public ArrayObject::setIteratorClass(string `$iteratorClass`): void

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

### 参数

`iteratorClass`

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

### 返回值

没有返回值。

### 示例

示例 #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
$fruitsArrayObject->setIteratorClass('MyArrayIterator');
var_dump($fruitsArrayObject->getIterator());
?>`

以上示例会输出：

    object(MyArrayIterator)#2 (1) {
      ["storage":"ArrayIterator":private]=>
      object(ArrayObject)#1 (1) {
        ["storage":"ArrayObject":private]=>
        array(4) {
          ["lemons"]=>
          int(1)
          ["oranges"]=>
          int(4)
          ["bananas"]=>
          int(5)
          ["apples"]=>
          int(10)
        }
      }
    }

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