update : 2015.11.03
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Retrieves information about data stored in the user cache
WinCache 함수 목록
PHP Manual

wincache_ucache_info

(PECL wincache >= 1.1.0)

wincache_ucache_info — Retrieves information about data stored in the user cache

설명

array wincache_ucache_info ([ bool $summaryonly = false [, string $key = NULL ]] )

Retrieves information about data stored in the user cache.

인수

summaryonly

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

key

The key of an entry in the user cache. If specified then the returned array will contain information only about that cache entry. If not specified and summaryonly is set to FALSE then the returned array will contain information about all entries in the cache.

반환값

Array of meta data about user cache 실패 시 FALSE를 반환합니다

The array returned by this function contains the following elements:

  • total_cache_uptime - total time in seconds that the user cache has been active
  • total_item_count - total number of elements that are currently in the user 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

  • ucache_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
    • is_session - indicates if the data is a session variable
    • 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

예제

Example #1 Using wincache_ucache_info()

<?php
wincache_ucache_get('green');
wincache_ucache_set('green', 2922);
wincache_ucache_get('green');
wincache_ucache_get('green');
wincache_ucache_get('green');
print_r(wincache_ucache_info());
?>

위 예제의 출력:

Array 
( ["total_cache_uptime"] => int(0)
  ["is_local_cache"] => bool(false)
  ["total_item_count"] => int(1) 
  ["total_hit_count"] => int(3) 
  ["total_miss_count"] => int(1) 
  ["ucache_entries"] => Array(1) 
    ( [1] => Array(6)
      ( 
        ["key_name"] => string(5) "green"
        ["value_type"] => string(4) "long" 
        ["is_session"] => int(0) 
        ["ttl_seconds"] => int(0)
        ["age_seconds"] => int(0)
        ["hitcount"] => int(3) 
       ) 
    ) 
)

참고

WinCache 함수 목록
PHP Manual