CachingIterator::getCache
(PHP 5 >= 5.2.0, PHP 7, PHP 8)
CachingIterator::getCache — Retrieve the contents of the cache
說明
public CachingIterator::getCache(): array
Retrieve the contents of the cache.
注意:
The
CachingIterator::FULL_CACHEflag must be being used.
參數
此函式沒有參數。
返回值
An array containing the cache items.
錯誤／異常
Throws a BadMethodCallException when the
CachingIterator::FULL_CACHE flag is not being used.
範例
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());
?>
以上例程會輸出：
array(2) {
[0]=>
int(1)
[1]=>
int(2)
}
array(3) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
}