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is_dir
Tells whether the filename is a directory
(PHP 4, PHP 5)
bool is_dir ( string filename )
Parameters
- filename
Path to the file. If filename is a relative filename, it will be checked relative to the current working directory.
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.