is_dir — Checks whether a file is a directory.
TRUE if a directory; FALSE otherwise
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
Example 331. Check whether a
file is a directory
$dir = "test_dir";
echo ("$dir is a directory.");
echo ("$dir is a link or a file.");
PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing
(Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch).
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