Code Duplication    Length = 18-18 lines in 2 locations

src/PhpSpreadsheet/Reader/Xlsx/Chart.php 2 locations

@@ 336-353 (lines=18) @@
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        $formatCode = '';
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        $pointCount = 0;
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        foreach ($seriesValueSet as $seriesValueIdx => $seriesValue) {
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            switch ($seriesValueIdx) {
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                case 'ptCount':
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                    $pointCount = self::getAttribute($seriesValue, 'val', 'integer');
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                    break;
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                case 'formatCode':
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                    $formatCode = (string) $seriesValue;
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                    break;
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                case 'pt':
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                    $pointVal = self::getAttribute($seriesValue, 'idx', 'integer');
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                    if ($dataType == 's') {
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                        $seriesVal[$pointVal] = (string) $seriesValue->v;
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                    } else {
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                        $seriesVal[$pointVal] = (float) $seriesValue->v;
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                    }
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                    break;
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            }
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        }
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        return [
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            'formatCode' => $formatCode,
@@ 369-386 (lines=18) @@
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        $pointCount = 0;
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        foreach ($seriesValueSet->lvl as $seriesLevelIdx => $seriesLevel) {
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            foreach ($seriesLevel as $seriesValueIdx => $seriesValue) {
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                switch ($seriesValueIdx) {
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                    case 'ptCount':
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                        $pointCount = self::getAttribute($seriesValue, 'val', 'integer');
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                        break;
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                    case 'formatCode':
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                        $formatCode = (string) $seriesValue;
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                        break;
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                    case 'pt':
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                        $pointVal = self::getAttribute($seriesValue, 'idx', 'integer');
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                        if ($dataType == 's') {
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                            $seriesVal[$pointVal][] = (string) $seriesValue->v;
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                        } else {
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                            $seriesVal[$pointVal][] = (float) $seriesValue->v;
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                        }
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                        break;
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                }
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            }
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        }
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        return [