Php/docs/arrayobject.getiterator
来自菜鸟教程
ArrayObject::getIterator
(PHP 5, PHP 7)
ArrayObject::getIterator — Create a new iterator from an ArrayObject instance
说明
public ArrayObject::getIterator ( ) : ArrayIterator
Create a new iterator from an ArrayObject instance.
参数
此函数没有参数。
范例
Example #1 ArrayObject::getIterator() example
<?php$array = array('1' => 'one', '2' => 'two', '3' => 'three');$arrayobject = new ArrayObject($array);$iterator = $arrayobject->getIterator();while($iterator->valid()) { echo $iterator->key() . ' => ' . $iterator->current() . "\n"; $iterator->next();}?>
以上例程会输出:
1 => one 2 => two 3 => three