ArrayObject::setIteratorClass

(PHP 5 >= 5.1.0)

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

说明

public void ArrayObject::setIteratorClass ( string $iterator_class )

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
)