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                                clearstatcache

   (PHP 3, PHP 4 )
   clearstatcache -- Clears file status cache

Description

   void clearstatcache ( void )

   When you use stat(), lstat(), or any of the other functions listed in
   the affected functions list (below), PHP caches the information those
   functions return in order to provide faster performance. However, in
   certain cases, you may want to clear the cached information. For
   instance, if the same file is being checked multiple times within a
   single script, and that file is in danger of being removed or changed
   during that script's operation, you may elect to clear the status
   cache. In these cases, you can use the clearstatcache() function to
   clear the information that PHP caches about a file.

     Note: This function caches information about specific filenames, so
     you only need to call clearstatcache() if you are performing
     multiple operations on the same filename and require the
     information about that particular file to not be cached.

   Affected functions include stat(), lstat(), file_exists(),
   is_writable(), is_readable(), is_executable(), is_file(), is_dir(),
   is_link(), filectime(), fileatime(), filemtime(), fileinode(),
   filegroup(), fileowner(), filesize(), filetype(), and fileperms().
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