php rename() is moving two folders instead of one

Question

in folder 'original' i have subfolders called 1, 2, 11, 33, 111... they are all numbers

this script sorts array then moves first folder (in this case folder 1) to the folder 'move-here'

everything works ok, BUT it moves 2 folders each time instead of just one, folders 1 & 11 are moved in my first try

echo is giving me 'moved folder: 1', so i really don't know why rename() is moving 2 folders?

$wallpapers = array_map('basename',glob("/path-to-folder/original/*",GLOB_ONLYDIR));
natsort($wallpapers);
$wallpaper = $wallpapers[0];
if (empty($wallpaper)) {
    echo "0 folders in that directory";
    die();
}
if (!file_exists("/path-to-folder/original/$wallpaper")) {
    echo "folder does not exist";
    die();
}
echo "moved folder: $wallpaper";
rename("/path-to-folder/original/$wallpaper/","/path-to-folder/move-here/$wallpaper/");

Answer 1

i have faced the similar issue , but i have fixed it using the integer conversion function intval() . php sorting also have similar issue in some cases.

rename("/path-to-folder/original/$wallpaper/","/path-to-folder/move-here/$wallpaper/");

to

rename("/path-to-folder/original/".intval($wallpaper)."/","/path-to-folder/move-here/".intval($wallpaper)."/");

Answer 2

Your script works fine i just tested it and it only moves one folder. Check if your script is not excuted two times.

<?php
$wallpapers = array_map('basename',glob("./folder1/*",GLOB_ONLYDIR));
natsort($wallpapers);
$wallpaper = $wallpapers[0];
if (empty($wallpaper)) {
    echo "0 folders in that directory";
    die();
}
if (!file_exists("./folder1/$wallpaper")) {
    echo "folder does not exist";
    die();
}
echo "moved folder: $wallpaper";
rename("./folder1/$wallpaper/","./folder2/$wallpaper/");


$data = scandir("./folder2/");
echo "<pre>";print_r($data);

Result of scan dir:

   Array
    (
        [0] => .
        [1] => ..
        [2] => 1
    )