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SeekableIterator::seek

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

SeekableIterator::seekSeeks to a position

Descrizione

public SeekableIterator::seek(int $offset): void

Seeks to a given position in the iterator.

Elenco dei parametri

offset

The position to seek to.

Valori restituiti

Nessun valore viene restituito.

Errori/Eccezioni

Implementations should throw an OutOfBoundsException if the offset 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:

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