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Code Duplication    Length = 9-15 lines in 2 locations

lib/Caxy/HtmlDiff/Preprocessor.php 2 locations

@@ 19-33 (lines=15) @@
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        $pointerMax = min(strlen($old), strlen($new));
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        $pointerMid = $pointerMax;
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        $pointerStart = 0;
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        while ($pointerMin < $pointerMid) {
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            $cmp = substr_compare(
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                $old,
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                substr($new, $pointerStart, $pointerMid - $pointerStart),
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                $pointerStart,
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                $pointerMid - $pointerStart
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            );
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            if (0 === $cmp) {
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                $pointerMin = $pointerMid;
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                $pointerStart = $pointerMin;
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            } else {
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                $pointerMax = $pointerMid;
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            }
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            $pointerMid = floor(($pointerMax - $pointerMin) / 2 + $pointerMin);
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        }
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        return $pointerMid;
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    }
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                                    @@ 51-59 (lines=9) @@
                                
                            


                                                            

                                    48
                                    
                                    
        $pointerEnd = 0;

                                

                                                            

                                    49
                                    
                                    
        $oldLen = strlen($old);

                                

                                                            

                                    50
                                    
                                    
        $newLen = strlen($new);

                                

                                                            

                                    51
                                    
                                    
        while ($pointerMin < $pointerMid) {

                                

                                                            

                                    52
                                    
                                    
            if (substr($old, $oldLen - $pointerMid, $pointerMid - $pointerEnd) == substr($new, $newLen - $pointerMid, $pointerMid - $pointerEnd)) {

                                

                                                            

                                    53
                                    
                                    
                $pointerMin = $pointerMid;

                                

                                                            

                                    54
                                    
                                    
                $pointerEnd = $pointerMin;

                                

                                                            

                                    55
                                    
                                    
            } else {

                                

                                                            

                                    56
                                    
                                    
                $pointerMax = $pointerMid;

                                

                                                            

                                    57
                                    
                                    
            }

                                

                                                            

                                    58
                                    
                                    
            $pointerMid = floor(($pointerMax - $pointerMin) / 2 + $pointerMin);

                                

                                                            

                                    59
                                    
                                    
        }

                                

                                                            

                                    60
                                    
                                    
        return $pointerMid;

                                

                                                            

                                    61
                                    
                                    
    }

                                

                                                            

                                    62
                                    
                                    
}