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                                    @@ 426-429 (lines=4) @@
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                                    | 423 | 
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                                            $this->encoding  | 
                                
                                                            
                                    | 424 | 
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                                        );  | 
                                
                                                            
                                    | 425 | 
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                                    | 426 | 
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                                        if (!$caseSensitive) { | 
                                
                                                            
                                    | 427 | 
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                                          $substring = UTF8::strtolower($substring, $this->encoding);  | 
                                
                                                            
                                    | 428 | 
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                                          $startOfStr = UTF8::strtolower($startOfStr, $this->encoding);  | 
                                
                                                            
                                    | 429 | 
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                                        }  | 
                                
                                                            
                                    | 430 | 
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                                    | 431 | 
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                                        return (string)$substring === $startOfStr;  | 
                                
                                                            
                                    | 432 | 
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                                      }  | 
                                
                                                                                
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                                    @@ 475-478 (lines=4) @@
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                                    | 472 | 
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                                            $this->encoding  | 
                                
                                                            
                                    | 473 | 
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                                        );  | 
                                
                                                            
                                    | 474 | 
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                                     | 
                                
                                                            
                                    | 475 | 
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                                        if (!$caseSensitive) { | 
                                
                                                            
                                    | 476 | 
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                                          $substring = UTF8::strtolower($substring, $this->encoding);  | 
                                
                                                            
                                    | 477 | 
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                                          $endOfStr = UTF8::strtolower($endOfStr, $this->encoding);  | 
                                
                                                            
                                    | 478 | 
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                                        }  | 
                                
                                                            
                                    | 479 | 
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                                    | 480 | 
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                                        return (string)$substring === $endOfStr;  | 
                                
                                                            
                                    | 481 | 
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                                      }  |