ArrayObject::setIteratorClass()
(PHP 5 >= 5.1.0, PHP 7)
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
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 )