Php/docs/function.is-dir
From Get docs
is_dir
(PHP 4, PHP 5, PHP 7)
is_dir — Tells whether the filename is a directory
Description
is_dir
( string $filename
) : bool
Tells whether the given filename is a directory.
Parameters
filename
- Path to the file. If
filename
is a relative filename, it will be checked relative to the current working directory. Iffilename
is a symbolic or hard link then the link will be resolved and checked. If you have enabled open_basedir further restrictions may apply.
Return Values
Returns TRUE
if the filename exists and is a directory, FALSE
otherwise.
Examples
Example #1 is_dir() example
<?phpvar_dump(is_dir('a_file.txt'));var_dump(is_dir('bogus_dir/abc'));var_dump(is_dir('..')); //one dir up?>
The above example will output:
bool(false) bool(false) bool(true)
Errors/Exceptions
Upon failure, an E_WARNING
is emitted.
Notes
Note:
The results of thisfunction are cached. See clearstatcache() for more details.
Tip As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to Supported Protocols and Wrappers to determine which wrappers support stat() family of functionality.