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
)

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