realpath_cache_get
(PHP 5 >= 5.3.2, PHP 7, PHP 8)
realpath_cache_get — 获取真实目录缓存的详情
说明
realpath_cache_get(): array
获得真实路径缓存的详情。
返回值
返回真实路径缓存详情的数组。键是原始路径以及值为具体信息数组,含有该解析的路径,过期时间以及其他的更多选项。
范例
示例 #1 realpath_cache_get() example
<?php
var_dump(realpath_cache_get());
?>
以上例程的输出类似于:
array(2) { ["/test"]=> array(4) { ["key"]=> int(123456789) ["is_dir"]=> bool(true) ["realpath"]=> string(5) "/test" ["expires"]=> int(1260318939) } ["/test/test.php"]=> array(4) { ["key"]=> int(987654321) ["is_dir"]=> bool(false) ["realpath"]=> string(12) "/root/test.php" ["expires"]=> int(1260318939) } }
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User Contributed Notes 1 note
phil at code67 dot com ¶
6 years ago
Note that the realpath cache is not used if either safe_mode is on or an open_basedir restriction is in effect.
This is having a huge performance effect, causing lots of calls to lstat.
A bugreport has already been filed at http://bugs.php.net/bug.php?id=52312
备份地址:http://www.lvesu.com/blog/php/function.realpath-cache-get.php