Issue #2719657 by quietone, andypost, Mile23, Spokje, ilya.no, xjm, alexpott,...

    //   'text' => -1,

    // );

    // @endcode

    // will result in the following sort order:

    // Will result in the following sort order:

    // 1. -2   options

    // 2. -1   text

    // 3.  0 0 ban

    if ($this->isDirectory($path) && $recursive) {

      $file_list = @ftp_nlist($this->connection, $path);

      if (!$file_list) {

        // empty directory - returns false

        // Empty directory - returns false

        return;

      }

      foreach ($file_list as $file) {

      // @code

      //   array('foo', 'bar', 'baz')

      // @endcode

      // then the corresponding self::getValues() part will look like this:

      // Then the corresponding self::getValues() part will look like this:

      // @code

      // array(

      //   'foo' => array(

        // in the same spot for its name, with '_x'.

        $input = $form_state->getUserInput();

        foreach (explode('[', $element['#name']) as $element_name) {

          // chop off the ] that may exist.

          // Chop off the ] that may exist.

          if (str_ends_with($element_name, ']')) {

            $element_name = substr($element_name, 0, -1);

          }

   * @see \Symfony\Component\Routing\Generator\UrlGenerator

   */

  protected $decodedChars = [

    // the slash can be used to designate a hierarchical structure and we want allow using it with this meaning

    // The slash can be used to designate a hierarchical structure and we want allow using it with this meaning

    // some webservers don't allow the slash in encoded form in the path for security reasons anyway

    // see http://stackoverflow.com/questions/4069002/http-400-if-2f-part-of-get-url-in-jboss

    // Map from these encoded characters.

    $variables = array_flip($variables);

    $mergedParams = array_replace($defaults, $this->context->getParameters(), $parameters);

    // all params must be given

    // All params must be given

    if ($diff = array_diff_key($variables, $mergedParams)) {

      throw new MissingMandatoryParametersException($name, array_keys($diff));

    }

    foreach ($tokens as $token) {

      if ('variable' === $token[0]) {

        if (!$optional || !array_key_exists($token[3], $defaults) || (isset($mergedParams[$token[3]]) && (string) $mergedParams[$token[3]] !== (string) $defaults[$token[3]])) {

          // check requirement

          // Check requirement

          if (!preg_match('#^' . $token[2] . '$#', $mergedParams[$token[3]])) {

            $message = sprintf('Parameter "%s" for route "%s" must match "%s" ("%s" given) to generate a corresponding URL.', $token[3], $name, $token[2], $mergedParams[$token[3]]);

            throw new InvalidParameterException($message);

    // Drupal paths rarely include dots, so skip this processing if possible.

    if (str_contains($path, '/.')) {

      // the path segments "." and ".." are interpreted as relative reference when

      // The path segments "." and ".." are interpreted as relative reference when

      // resolving a URI; see http://tools.ietf.org/html/rfc3986#section-3.3

      // so we need to encode them as they are not used for this purpose here

      // otherwise we would generate a URI that, when followed by a user agent