scandir

(PHP 5)

scandir — List files and directories inside the specified path

Description

array scandir ( string $directory [, int $sorting_order [, resource $context ]] )

Returns an array of files and directories from the directory .

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.

דוגמאות

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] => .
)

Notes

Tip

אתה יכול להשתמש בכתובת URL כשם קובץ בפונקציה זאת אם fopen wrappers הופעל. ראה fopen() לקבלת עוד פרטים על כיצד ניתן לציין את שם הקובץ ואת List of Supported Protocols/Wrappers לרשימה של פרוטוקולי URL נתמכים.

ראה גם

ספריות

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