ArrayObject::getIterator

(PHP 5 >= 5.1.0)

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

说明

ArrayIterator ArrayObject::getIterator ( void )

Create a new iterator from an ArrayObject instance.

参数

This function has no parameters.

返回值

An iterator from an ArrayObject.

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();
}
?>

上例将输出：

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