PHP Manual: Retrieves information about data stored in the user cache

Description

arrayfalse wincache_ucache_info(bool $summaryonly = false, string $key = NULL)

Retrieves information about data stored in the user cache.

Parameters

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.

Return Values

Array of meta data about user cache or false on failure

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

Examples

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());
?>

The above example will output:

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) 
       ) 
    ) 
)

wincache_ucache_info

Description

Parameters

Return Values

Examples

See Also