Code Duplication    Length = 7-7 lines in 2 locations

src/voku/helper/UTF8.php 2 locations

@@ 5120-5126 (lines=7) @@
5117
      return null;
5118
    }
5119
5120
    if ($offset || $length !== null) {
5121
      $strTmp = self::substr($str, $offset, $length);
5122
      if ($strTmp === false) {
5123
        return null;
5124
      }
5125
      $str = (string)$strTmp;
5126
    }
5127
5128
    $str = (string)$str;
5129
    if (!isset($str[0])) {
@@ 6027-6033 (lines=7) @@
6024
   */
6025
  public static function strspn($str, $mask, $offset = 0, $length = null)
6026
  {
6027
    if ($offset || $length !== null) {
6028
      $strTmp = self::substr($str, $offset, $length);
6029
      if ($strTmp === false) {
6030
        $strTmp = '';
6031
      }
6032
      $str = (string)$strTmp;
6033
    }
6034
6035
    $str = (string)$str;
6036
    if (!isset($str[0], $mask[0])) {