array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'function.apcu-cache-info.php', 1 => 'apcu_cache_info', ), 'up' => array ( 0 => 'ref.apcu.php', 1 => 'APCu 函数', ), 'prev' => array ( 0 => 'function.apcu-add.php', 1 => 'apcu_add', ), 'next' => array ( 0 => 'function.apcu-cas.php', 1 => 'apcu_cas', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'zh', 'path' => 'reference/apcu/functions/apcu-cache-info.xml', ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); ?>
(PECL apcu >= 4.0.0)
apcu_cache_info — 从 APCu 存储中获取缓存信息
成功时返回包含缓存数据(和元数据)的数组 或者在失败时返回 false
注意: 当 apcu_cache_info() 无法获取到缓存信息时会触发警告(warning),这种情况通常是因为没有开启 APC 功能。
版本 | 说明 |
---|---|
PECL apcu 3.0.11 |
引入了 limited 参数。
|
PECL apcu 3.0.16 |
为 cache_type 参数增加了 "filehits " 选项。
|
示例 #1 apcu_cache_info() 示例
<?php
print_r(apcu_cache_info());
?>
以上示例的输出类似于:
Array ( [num_slots] => 2000 [ttl] => 0 [num_hits] => 9 [num_misses] => 3 [start_time] => 1123958803 [cache_list] => Array ( [0] => Array ( [filename] => /path/to/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 (...依次列出每个缓存文件) )