PHP Functions Essential Reference

is_dir

bool is_dir(string filename) 

Checks whether a file is a directory.

Returns:

TRUE if a directory; FALSE otherwise

Description:

Checks whether the specified file is a directory or a symlink to a directory, as opposed to a regular file or a link.

Note:

The results of this function are cached. See clearstatcache() for details.

Example:

Check whether a file is a directory

$dir = "test_dir"; if(is_dir($dir)) { echo ("$dir is a directory."); } else { echo ("$dir is a link or a file."); }