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is_dir(3) [php man page]

IS_DIR(3)								 1								 IS_DIR(3)

is_dir - Tells whether the filename is a directory

SYNOPSIS
bool is_dir (string $filename) DESCRIPTION
Tells whether the given filename is a directory. PARAMETERS
o $filename - Path to the file. If $filename is a relative filename, it will be checked relative to the current working directory. If $file- name is a symbolic or hard link then the link will be resolved and checked. If you have enabled safe mode, or 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(3) example <?php var_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 this function are cached. See clearstatcache(3) 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(3) family of functionality. SEE ALSO
chdir(3), dir(3), opendir(3), is_file(3), is_link(3). PHP Documentation Group IS_DIR(3)

Check Out this Related Man Page

FILETYPE(3)								 1							       FILETYPE(3)

filetype - Gets file type

SYNOPSIS
string filetype (string $filename) DESCRIPTION
Returns the type of the given file. PARAMETERS
o $filename - Path to the file. RETURN VALUES
Returns the type of the file. Possible values are fifo, char, dir, block, link, file, socket and unknown. Returns FALSE if an error occurs. filetype(3) will also produce an E_NOTICE message if the stat call fails or if the file type is unknown. EXAMPLES
Example #1 filetype(3) example <?php echo filetype('/etc/passwd'); // file echo filetype('/etc/'); // dir ?> ERRORS
/EXCEPTIONS Upon failure, an E_WARNING is emitted. NOTES
Note The results of this function are cached. See clearstatcache(3) 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(3) family of functionality. SEE ALSO
is_dir(3), is_file(3), is_link(3), file_exists(3), mime_content_type(3), pathinfo(3), stat(3). PHP Documentation Group FILETYPE(3)
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