Code Duplication    Length = 5-6 lines in 2 locations

src/voku/helper/UTF8.php 2 locations

@@ 2406-2411 (lines=6) @@
2403
  public static function filter($var, $normalization_form = 4 /* n::NFC */, $leading_combining = '◌')
2404
  {
2405
    switch (gettype($var)) {
2406
      case 'array':
2407
        foreach ($var as $k => $v) {
2408
          /** @noinspection AlterInForeachInspection */
2409
          $var[$k] = self::filter($v, $normalization_form, $leading_combining);
2410
        }
2411
        break;
2412
      case 'object':
2413
        foreach ($var as $k => $v) {
2414
          $var->{$k} = self::filter($v, $normalization_form, $leading_combining);
@@ 2412-2416 (lines=5) @@
2409
          $var[$k] = self::filter($v, $normalization_form, $leading_combining);
2410
        }
2411
        break;
2412
      case 'object':
2413
        foreach ($var as $k => $v) {
2414
          $var->{$k} = self::filter($v, $normalization_form, $leading_combining);
2415
        }
2416
        break;
2417
      case 'string':
2418
        if (false !== strpos($var, "\r")) {
2419
          // Workaround https://bugs.php.net/65732