CachingIterator::getCache()

(PHP 5>=5.2.0,PHP 7)

Retrieve the contents of the cache

说明

publicCachingIterator::getCache(void) : array

Retrieve the contents of the cache.

Note:

TheCachingIterator::FULL_CACHEflag must be being used.

参数

此函数没有参数。

返回值

Anarraycontaining the cache items.

错误／异常

Throws aBadMethodCallExceptionwhen theCachingIterator::FULL_CACHEflag is not being used.

范例

Example#1CachingIterator::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)
}