Description
bool
is_dir ( string filename)
Returns TRUE if the filename exists and is a directory. If filename is a relative filename, it will be checked relative to the current working directory.
Note: The results of this function are cached. See clearstatcache() for more details.
Example 1. is_dir() example <?
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) |
|
Tip: As of PHP 5.0.0 this function can also be used with some URL wrappers. Refer to Appendix J for a listing of which wrappers support stat() family of functionality.
See also chdir(), dir, opendir(), is_file() and is_link().
