ArrayObject::getIterator

    (PHP 5, PHP 7, PHP 8)

    ArrayObject::getIterator — Create a new iterator from an ArrayObject instance

    说明

    publicArrayObject::getIterator(): Iterator

    Create a new iterator from an ArrayObject instance.

    参数

    此函数没有参数。

    返回值

    An iterator from an ArrayObject.

    示例

    示例 #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();
    }
    ?>

    以上示例会输出：

    1 => one 2 => two 3 => three
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