APCUIterator::__construct

(PECL apcu >= 5.0.0)

APCUIterator::__construct — Constructs an APCUIterator iterator object

说明

public APCUIterator::__construct(
    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 null to 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_ACTIVE or APC_LIST_DELETED.

返回值

An APCUIterator object on success, or null on failure.

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