PHP function is_dir()
Availability in PHP 4.0
Tells whether the filename is a directory
Parameters
| Parameter | Data type | Default value | Note |
|---|---|---|---|
$filename |
string |
not | Path to the file. If filename is a relative filename, it will be checked relative to the current working directory. If filename is a symbolic or hard link then the link will be resolved and checked. |
Return values
bool
true if the filename exists and is a directory, false otherwise.