ArrayObject::setIteratorClass

(PHP 5 >= 5.1.0, PHP 7)

ArrayObject::setIteratorClassSets 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

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
$fruitsArrayObject->setIteratorClass('MyArrayIterator');
print_r($fruitsArrayObject->getIterator());

?>

以上例程会输出:

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