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 M for a listing of which wrappers support
stat() family of functionality.
See also chdir(), dir,
opendir(), is_file() and
is_link().