update : 2015.11.03
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Seeks to a position
SeekableIterator
PHP Manual

SeekableIterator::seek

(PHP 5 >= 5.1.0)

SeekableIterator::seek — Seeks to a position

설명

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

Seeks to a given position in the iterator.

인수

position

The position to seek to.

반환값

값을 반환하지 않습니다.

오류/예외

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

예제

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();
?>

위 예제의 출력 예시:

damson

SeekableIterator
PHP Manual