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readdir
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readdir

Name

readdir — Fetches a single entry from a directory stream that has been opened by opendir() .

Synopsis

string readdir(dir_stream); resource_pointer dir_stream: Resource pointer returned by opendir()

Returns

A single directory entry (if dir_stream is a valid directory stream and the last entry in the directory has not been reached); FALSE for all other cases

Description

readdir() retrieves a single entry from a directory that has been opened by opendir() .

Version

From versions 3.0 and 4.0

Example

Example 247. List all PHP files in the current working directory

<?php
// For PHP3, use: $directory = '.';
$directory = getcwd ();

$directory_stream = @ opendir ($directory)
    or die ("Could not open a directory stream for <i>$directory</i>");

while ($entry = readdir ($directory_stream)) {

    // Grab the extension of the file
    $extension = substr ($entry, strrpos ($entry, '.'));

    switch ($extension) {
        case '.php':
        case '.phps':
        case '.php3':
        case '.phtml':
            print "<br />\n$entry";
            break;
        default:
            break;
    }
}
?>

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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.