PHP - Manual: ArrayObject::setIteratorClass
2024-11-14
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
ArrayObject::setIteratorClass — Sets the iterator classname for the ArrayObject
$iteratorClass
): voidSets the classname of the array iterator that is used by ArrayObject::getIterator().
iteratorClass
The classname of the array iterator to use when iterating over this object.
没有返回值。
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 )
官方地址:https://www.php.net/manual/en/arrayobject.setiteratorclass.php