original_string: private static function skipMixed($string)
      {
          $firstLetterLower = $string[0] == mb_strtolower($string[0]);
          $allLowerOrUpper  = (mb_strtolower($string) == $string || mb_strtoupper($string) == $string);
  
          return ! ($firstLetterLower || $allLowerOrUpper);
      }
code: private static function skipMixed($string)
      {
          $firstLetterLower = $string[0] == mb_strtolower($string[0]);
          $allLowerOrUpper  = (mb_strtolower($string) == $string || mb_strtoupper($string) == $string);
  
          return ! ($firstLetterLower || $allLowerOrUpper);
      }
code_tokens: private static function skipMixed ( $ string ) { $ firstLetterLower = $ string [ 0 ] == mb_strtolower ( $ string [ 0 ] ) ; $ allLowerOrUpper = ( mb_strtolower ( $ string ) == $ string || mb_strtoupper ( $ string ) == $ string ) ; return ! ( $ firstLetterLower || $ allLowerOrUpper ) ; }
docstring: Skip if string is mixed case.
  
  @param string $string
  
  @return bool
docstring_tokens: Skip if string is mixed case .