apc_cache_info()

(PECL apc >= 2.0.0)

Retrieves cached information from APC's data store

说明

apc_cache_info([string $cache_type= ""[,bool $limited= FALSE]]): array

Retrieves cached information and meta-data from APC's data store.

参数

$cache_type

If$cache_typeis "user", information about the user cache will be returned.

If$cache_typeis "filehits", information about which files have been served from the bytecode cache for the current request will be returned. This feature must be enabled at compile time using --enable-filehits.

If an invalid or no$cache_typeis specified, information about the system cache(cached files)will be returned.

$limited

If$limitedis TRUE, the return value will exclude the individual list of cache entries. This is useful when trying to optimize calls for statistics gathering.

返回值

Array of cached data(and meta-data)或者在失败时返回FALSE

Note:apc_cache_info() will raise a warning if it is unable to retrieve APC cache data. This typically occurs when APC is not enabled.

更新日志

范例

Example #1 A apc_cache_info() example

<?php
print_r(apc_cache_info());
?>

以上例程的输出类似于：

Array
(
    [num_slots] => 2000
    [ttl] => 0
    [num_hits] => 9
    [num_misses] => 3
    [start_time] => 1123958803
    [cache_list] => Array
        (
            [0] => Array
                (
                    [filename] => /path/to/apc_test.php
                    [device] => 29954
                    [inode] => 1130511
                    [type] => file
                    [num_hits] => 1
                    [mtime] => 1123960686
                    [creation_time] => 1123960696
                    [deletion_time] => 0
                    [access_time] => 1123962864
                    [ref_count] => 1
                    [mem_size] => 677
                )
            [1] => Array (...iterates for each cached file)
)

参见

• APC configuration directives
• APCIterator::getTotalSize() 获取所有缓存的尺寸大小
• APCIterator::getTotalHits() 获取缓存命中数
• APCIterator::getTotalCount() 获取总数