SeekableIterator::seek

(PHP 5 >= 5.1.0)

SeekableIterator::seek — Seeks to a position

Descrizione

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

Seeks to a given position in the iterator.

Elenco dei parametri

position: The position to seek to.

Valori restituiti

Nessun valore viene restituito.

Errori/Eccezioni

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

Esempi

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();
?>

Il precedente esempio visualizzerà qualcosa simile a:

damson

Vedere anche:

SeekableIterator
Iterator