realpath_cache_get()
(PHP 5 >= 5.3.2, PHP 7)
获取真实目录缓存的详情
说明
realpath_cache_get(void): 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
Example #1realpath_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) } }
参见
realpath_cache_size()
获取真实路径缓冲区的大小
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