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Code Duplication    Length = 8-9 lines in 2 locations

src/voku/helper/shim/Mbstring.php 2 locations

@@ 564-571 (lines=8) @@
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   *
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   * @return bool|int
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   */
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  public static function mb_stripos($haystack, $needle, $offset = 0, $encoding = INF)
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  {
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    INF === $encoding && $encoding = self::$internal_encoding;
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    $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding);
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    $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding);
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    return self::mb_strpos($haystack, $needle, $offset, $encoding);

                                

                                                            

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  }

                                

                                                            

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  /**

                                

                                                            

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   * @param string $haystack

                                

                                                                                

                                
                                
                                    @@ 796-804 (lines=9) @@
                                
                            


                                                            

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   *

                                

                                                            

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   * @return bool|int

                                

                                                            

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   */

                                

                                                            

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  public static function mb_strripos($haystack, $needle, $offset = 0, $encoding = INF)

                                

                                                            

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  {

                                

                                                            

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    INF === $encoding && $encoding = self::$internal_encoding;

                                

                                                            

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    $haystack = self::mb_convert_case($haystack, self::MB_CASE_FOLD, $encoding);

                                

                                                            

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    $needle = self::mb_convert_case($needle, self::MB_CASE_FOLD, $encoding);

                                

                                                            

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    return self::mb_strrpos($haystack, $needle, $offset, $encoding);

                                

                                                            

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  }

                                

                                                            

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  /**

                                

                                                            

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   * @param string $haystack