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scandir

(PHP 5 CVS only)

scandir --  List files and directories inside the specified path

Description

array scandir ( string directory [, int sorting_order])

Returns an array of files and directories from the directory. If directory is not a directory, then boolean FALSE is returned, and an error of level E_WARNING is generated.

By default, the sorted order is alphabetical in ascending order. If the optional sorting_order is used (set to 1), then sort order is alphabetical in descending order.

Example 1. A simple scandir() example

<?php
$dir    = '/tmp';
$files1 = scandir($dir);
$files2 = scandir($dir, 1);

print_r($files1);
print_r($files2);

/* Outputs something like:
Array
(
    [0] => .
    [1] => ..
    [2] => bar.php
    [3] => foo.txt
    [4] => somedir
)
Array
(
    [0] => somedir
    [1] => foo.txt
    [2] => bar.php
    [3] => ..
    [4] => .
)
*/
 ?>

Example 2. PHP 4 alternatives to scandir()

<?php
$dir = "/tmp";
$dh  = opendir($dir);
while (false !== ($filename = readdir($dh))) {
    $files[] = $filename;
}

sort($files);

print_r($files);

rsort($files);

print_r($files);

/* Outputs something like:
Array
(
    [0] => .
    [1] => ..
    [2] => bar.php
    [3] => foo.txt
    [4] => somedir
)
Array
(
    [0] => somedir
    [1] => foo.txt
    [2] => bar.php
    [3] => ..
    [4] => .
)
*/
 ?>

See also opendir(), readdir(), glob(), is_dir(), and sort().

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