Php/docs/function.wincache-scache-info

• PHP Manual
• WinCache 函数
• Retrieves information about files cached in the session cache

wincache_scache_info

(PECL wincache >= 1.1.0)

wincache_scache_info — Retrieves information about files cached in the session cache

说明

wincache_scache_info ([ bool $summaryonly = false ] ) : array|false

Retrieves information about session cache content and its usage.

参数

summaryonly

Controls whether the returned array will contain information about individual cache entries along with the session cache summary.

返回值

Array of meta data about session cache 或者在失败时返回 false

The array returned by this function contains the following elements:

• total_cache_uptime - total time in seconds that the session cache has been active
• total_item_count - total number of elements that are currently in the session cache
• is_local_cache - true is the cache metadata is for a local cache instance, false if the metadata is for the global cache
• total_hit_count - number of times the data has been served from the cache
• total_miss_count - number of times the data has not been found in the cache
• scache_entries - an array that contains the information about all the cached items:
  • key_name - name of the key which is used to store the data
  • value_type - type of value stored by the key
  • use_time - time in seconds since the file has been accessed in the opcode cache
  • last_check - time in seconds since the file has been checked for modifications
  • ttl_seconds - time remaining for the data to live in the cache, 0 meaning infinite
  • age_seconds - time elapsed from the time data has been added in the cache
  • hitcount - number of times data has been served from the cache

范例

Example #1 A wincache_scache_info() example

<pre><?phpprint_r(wincache_scache_info());?></pre>

以上例程会输出：

Array
(
    [total_cache_uptime] => 17357
    [total_file_count] => 121
    [total_hit_count] => 36562
    [total_miss_count] => 201
    [scache_entries] => Array
        (
            [1] => Array
                (
                    [file_name] => c:\inetpub\wwwroot\checkcache.php
                    [add_time] => 17356
                    [use_time] => 7
                    [last_check] => 10
                    [hit_count] => 454
                    [function_count] => 0
                    [class_count] => 1
                )
            [2] => Array (...iterates for each cached file)
        )
)

参见

• wincache_fcache_fileinfo() - Retrieves information about files cached in the file cache
• wincache_fcache_meminfo() - Retrieves information about file cache memory usage
• wincache_ocache_meminfo() - Retrieves information about opcode cache memory usage
• wincache_rplist_fileinfo() - Retrieves information about resolve file path cache
• wincache_rplist_meminfo() - Retrieves information about memory usage by the resolve file path cache
• wincache_refresh_if_changed() - Refreshes the cache entries for the cached files
• wincache_ucache_meminfo() - Retrieves information about user cache memory usage
• wincache_ucache_info() - Retrieves information about data stored in the user cache
• wincache_scache_meminfo() - Retrieves information about session cache memory usage