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is_dir
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is_dir

Name

is_dir — Checks whether a file is a directory.

Synopsis

bool is_dir(filename); string filename:

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

Example 331. 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.");
}

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PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.