首页
学习
活动
专区
工具
TVP
发布
精选内容/技术社群/优惠产品,尽在小程序
立即前往

SeekableIterator::seek

(PHP 5 >= 5.1.0, PHP 7)

SeekableIterator::seek — Seeks to a position

Description

代码语言:javascript
复制
abstract public void SeekableIterator::seek ( int $position )

Seeks to a given position in the iterator.

Parameters

position

The position to seek to.

Return Values

No value is returned.

Errors/Exceptions

Implementations should throw an OutOfBoundsException if the position is not seekable.

Examples

Example #1 SeekableIterator::seek() example

Seek to the item at position 3 in the iterator (ArrayIterator implements SeekableIterator).

代码语言:javascript
复制
<?php
$array?=?array("apple",?"banana",?"cherry",?"damson",?"elderberry");
$iterator?=?new?ArrayIterator($array);
$iterator->seek(3);
echo?$iterator->current();
?>

The above example will output something similar to:

代码语言:javascript
复制
damson

See Also

  • SeekableIterator
  • Iterator

← SeekableIterator

代码语言:txt
复制
 ? 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

扫码关注腾讯云开发者

领取腾讯云代金券

http://www.vxiaotou.com