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PHP - Manual: CachingIterator::getCache

2024-12-22

CachingIterator::getCache

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

CachingIterator::getCacheRetrieve the contents of the cache

说明

public CachingIterator::getCache(): array

Retrieve the contents of the cache.

注意:

The CachingIterator::FULL_CACHE flag must be being used.

参数

此函数没有参数。

返回值

An array containing the cache items.

错误/异常

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

范例

示例 #1 CachingIterator::getCache() example

<?php
$iterator 
= new ArrayIterator(array(123));
$cache    = new CachingIterator($iteratorCachingIterator::FULL_CACHE);

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

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

以上例程会输出:

array(2) {
  [0]=>
  int(1)
  [1]=>
  int(2)
}
array(3) {
  [0]=>
  int(1)
  [1]=>
  int(2)
  [2]=>
  int(3)
}
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官方地址:https://www.php.net/manual/en/cachingiterator.getcache.php

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