apcu_cache_info
apcu_cache_info
(PECL apcu >= 4.0.0)
apcu_cache_info - 从 APCu 的数据存储中检索缓存的信息
描述
array apcu_cache_info ([ bool $limited = false ] )
从 APC 的数据存储中检索缓存的信息和元数据。
参数
limited
如果limited是TRUE，则返回值将排除单个缓存条目列表。当尝试优化呼叫以进行统计收集时，这非常有用。
返回值
缓存数据（和元数据）数组或FALSE失败
注意：如果apcu_cache_info（）无法检索 APC 缓存数据，将会发出警告。这通常发生在 APC 未启用时。
Changelog
| Version | Description |
|---|---|
| 3.0.11 | The limited parameter was introduced. |
| 3.0.16 | The "filehits" option for the cache_type parameter was introduced. |
例子
Example #1 A apcu_cache_info() example
<?php
print_r(apcu_cache_info()
?>
上面的例子会输出类似于：
Array
(
[num_slots] => 2000
[ttl] => 0
[num_hits] => 9
[num_misses] => 3
[start_time] => 1123958803
[cache_list] => Array
(
[0] => Array
(
[filename] => /path/to/apcu_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)
)
