SeekableIterator
PHP Manual

SeekableIterator::seek

(PHP 5 >= 5.1.0)

SeekableIterator::seekSeeks to a position

Описание

abstract public void SeekableIterator::seek ( int $position )

Seeks to a given position in the iterator.

Параметри

position

The position to seek to.

Връщани стойности

Няма връщана стойност.

Грешки/Изключения

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

Примери

Example #1 SeekableIterator::seek example

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

<?php
$array 
= array("apple""banana""cherry""damson""elderberry");
$iterator = new ArrayIterator($array);
$iterator->seek(3);
echo 
$iterator->current();
?>

Примерът по-горе ще изведе нещо подобно на:

damson

Вж. също


SeekableIterator
PHP Manual