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is_dir

Tells whether the filename is a directory (PHP 4, PHP 5)
bool is_dir ( string filename )

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.

Return Values

Returns TRUE if the filename exists and is a directory, FALSE otherwise.

Examples

Example 653. is_dir() example

<?php
var_dump
(is_dir('a_file.txt')) . "\n";
var_dump(is_dir('bogus_dir/abc')) . "\n";

var_dump(is_dir('..')); //one dir up
?>

The above example will output:

bool(false)
bool(false)
bool(true)


Notes

Note:

The results of this function 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 Appendix O, List of Supported Protocols/Wrappers for a listing of which wrappers support stat() family of functionality.