PHP 5.4.33 Released

SeekableIterator::seek

(PHP 5 >= 5.1.0)

SeekableIterator::seekSeeks 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 visualizzerĂ  qualcosa simile a:

damson

Vedere anche:

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