CachingIterator::getCache
(PHP 5 >= 5.2.0, PHP 7)
CachingIterator::getCache — Retrieve the contents of the cache
说明
public
CachingIterator::getCache (
void ) :
array
Retrieve the contents of the cache.
Note:
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
Example #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)
}
