Caxy\HtmlDiff\Preprocessor::diffCommonSuffix()

Complexity

Conditions	6
Paths	4

Size

Total Lines	25
Code Lines	17

Duplication

Lines	9
Ratio	36 %

Code Coverage

Tests	18
CRAP Score	6

Importance

Changes	1
Bugs	0	Features	1

<?php
    public static function diffCommonSuffix($old, $new)
    {
        // Quick check for common null cases.
        if (strlen($old) == 0 || strlen($new) == 0 || substr($old, strlen($old) - 1, 1) != substr($new, strlen($new) - 1, 1)) {

This line exceeds maximum limit of 120 characters; contains 127 characters

            return 0;
        }

        // Binary Search
        $pointerMin = 0;
        $pointerMax = min(strlen($old), strlen($new));
        $pointerMid = $pointerMax;
        $pointerEnd = 0;
        $oldLen = strlen($old);
        $newLen = strlen($new);
        while ($pointerMin < $pointerMid) {

This code seems to be duplicated across your project.

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

This line exceeds maximum limit of 120 characters; contains 147 characters

                $pointerMin = $pointerMid;
                $pointerEnd = $pointerMin;
            } else {
                $pointerMax = $pointerMid;
            }
            $pointerMid = floor(($pointerMax - $pointerMin) / 2 + $pointerMin);
        }
        return $pointerMid;
    }
}