APCUIterator::__construct
(PECL apcu >= 5.0.0)
APCUIterator::__construct — Constructs an APCUIterator iterator object
说明
public APCUIterator::__construct(
array|string|null
int
int
int
)
array|string|null
$search = null,int
$format = APC_ITER_ALL,int
$chunk_size = 100,int
$list = APC_LIST_ACTIVE)
Constructs an APCUIterator object.
参数
-
search -
Either a PCRE regular expression that matches against APCu key names, given as a string. Or an array of strings with APCu key names. Or, optionally
nullto skip the search. -
format -
The desired format, as configured with one or more of the APC_ITER_* constants.
-
chunk_size -
The chunk size. Must be a value greater than 0. The default value is 100.
-
list -
The type to list. Either pass in
APC_LIST_ACTIVEorAPC_LIST_DELETED.
范例
示例 #1 A APCUIterator::__construct() example
<?php
foreach (new APCUIterator('/^counter\./') as $counter) {
echo "$counter[key]: $counter[value]\n";
apc_dec($counter['key'], $counter['value']);
}
?>
参见
- apcu_exists() - Checks if entry exists
- apcu_cache_info() - 从 APCu 存储中获取缓存信息
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