teacher

function my_scan_dir($dir) // it works, for now.........
{
    if (is_dir($dir))
    {
        // detect if the path has arabic characters and convert it so it works
        if (preg_match('#[\x{0600}-\x{06FF}]#iu', $dir))
        {
            $dir = iconv("utf-8", "windows-1256", $dir);
        }
        if ($handle = opendir('.')) {
            while (false !== ($file = readdir($handle)))
            {
                if ($file != "." && $file != ".." && strtolower(substr($file, strrpos($file, '.') + 1)) == 'png')
                {
                    return $file . PHP_EOL;
                }
            }
            closedir($handle);
        }
        else
        {
            print("\nERROR! Can't find directory!\n");
        }
    }
    else
    {
        print("\nERROR! Parameter isn't a directory!\n");
    }
}

// my_scan_dir("./");