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php中文网手册 发布
(PHP 5 >= 5.2.0)
CachingIterator::getCache — Retrieve the contents of the cache
Retrieve the contents of the cache.
Note:
The
CachingIterator::FULL_CACHEflag must be being used.
此函数没有参数。
An array containing the cache items.
Throws a BadMethodCallException when the
CachingIterator::FULL_CACHE flag is not being used.
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)
}