- PHP 手册
- 函数参考
- 其它基本扩展
- SPL
- 迭代器
- CachingIterator
CachingIterator::getCache
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
CachingIterator::getCache — Retrieve the contents of the cache
说明
public CachingIterator::getCache(): arrayRetrieve the contents of the cache.
注意:
The
CachingIterator::FULL_CACHEflag 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(1, 2, 3));
$cache = new CachingIterator($iterator, CachingIterator::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)
}
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/cachingiterator.getcache.php