|  | @@ -86,10 +86,10 @@ | 
                                                    
                                                        |  |  |  block discarded – undo | 
                                                                                                                                                                                                                    
                                                            | 86 | 86 |      public function getCellId($cellNumber, $rowNumber = null) | 
                                                                                                            
                                                            | 87 | 87 |      { | 
                                                                                                            
                                                            | 88 | 88 |          if ($cellNumber / 26 < 1) { | 
                                                                                                            
                                                            | 89 |  | -            return chr(65 + $cellNumber) . $rowNumber; | 
                                                                                                            
                                                            |  | 89 | +            return chr(65+$cellNumber) . $rowNumber; | 
                                                                                                            
                                                            | 90 | 90 |          } | 
                                                                                                            
                                                            | 91 | 91 |   | 
                                                                                                            
                                                            | 92 |  | -        return $this->getCellId((int)($cellNumber / 26) - 1) . chr(65 + $cellNumber % 26) . $rowNumber; | 
                                                                                                            
                                                            |  | 92 | +        return $this->getCellId((int)($cellNumber / 26)-1) . chr(65+$cellNumber % 26) . $rowNumber; | 
                                                                                                            
                                                            | 93 | 93 |      } | 
                                                                                                            
                                                            | 94 | 94 |   | 
                                                                                                            
                                                            | 95 | 95 |      /** | 
                                                                                                                                                
                                         
                                        
                                            
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