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CachingIterator::getCache

(PHP 5 >= 5.2.0, PHP 7, PHP 8)

CachingIterator::getCacheRetrieve the contents of the cache

Beschreibung

public CachingIterator::getCache(): array

Retrieve the contents of the cache.

Hinweis:

The CachingIterator::FULL_CACHE flag must be being used.

Parameter-Liste

Diese Funktion besitzt keine Parameter.

Rückgabewerte

An array containing the cache items.

Fehler/Exceptions

Throws a BadMethodCallException when the CachingIterator::FULL_CACHE flag is not being used.

Beispiele

Beispiel #1 CachingIterator::getCache() example

<?php
$iterator
= new ArrayIterator(array(1, 2, 3));
$cache = new CachingIterator($iterator, CachingIterator::FULL_CACHE);

$cache->next();
$cache->next();
var_dump($cache->getCache());

$cache->next();
var_dump($cache->getCache());
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

array(2) {
  [0]=>
  int(1)
  [1]=>
  int(2)
}
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(3)
}