The 5th Annual China PHP Conference


file://Accessing local filesystem


Filesystem is the default wrapper used with PHP and represents the local filesystem. When a relative path is specified (a path which does not begin with /, \, \\, or a Windows drive letter) the path provided will be applied against the current working directory. In many cases this is the directory in which the script resides unless it has been changed. Using the CLI sapi, this defaults to the directory from which the script was called.

With some functions, such as fopen() and file_get_contents(), include_path may be optionally searched for relative paths as well.


  • /path/to/file.ext
  • relative/path/to/file.ext
  • fileInCwd.ext
  • C:/path/to/winfile.ext
  • C:\path\to\winfile.ext
  • \\smbserver\share\path\to\winfile.ext
  • file:///path/to/file.ext


Wrapper Summary
Attribute Supported
Restricted by allow_url_fopen No
Allows Reading Yes
Allows Writing Yes
Allows Appending Yes
Allows Simultaneous Reading and Writing Yes
Supports stat() Yes
Supports unlink() Yes
Supports rename() Yes
Supports mkdir() Yes
Supports rmdir() Yes


Version Description
5.0.0 Added file://.

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