scandir
(PHP 5)
scandir — List files and directories inside the specified path
Description
array scandir
( string $directory
[, int $sorting_order
[, resource $context
]] )
Parameters
-
directory
-
The directory that will be scanned.
-
sorting_order
-
By default, the sorted order is alphabetical in ascending order. If
the optional sorting_order
is used (set to 1),
then the sort order is alphabetical in descending order.
-
context
-
For a description of the context
parameter,
refer to the streams section of
the manual.
Return Values
Returns an array of filenames on success, or FALSE on
failure. If directory
is not a directory, then
boolean FALSE is returned, and an error of level
E_WARNING is generated.
Examples
Example #1 A simple scandir() example
<?php
$dir = '/tmp';
$files1 = scandir($dir);
$files2 = scandir($dir, 1);
print_r($files1);
print_r($files2);
?>
The above example will output
something similar to:
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);
?>
The above example will output
something similar to:
Array
(
[0] => .
[1] => ..
[2] => bar.php
[3] => foo.txt
[4] => somedir
)
Array
(
[0] => somedir
[1] => foo.txt
[2] => bar.php
[3] => ..
[4] => .
)
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