More Scrutinizer Catch Up (#3050)

* More Scrutinizer Catch Up

Continue the work of PR #3043 by attending to the 12 remaining 'new' issues.

* Php 8.1 Problem

One new null-instead-of-string problem.

phpstan-baseline.neon

@@ -2590,21 +2590,6 @@ parameters:
 			count: 1
 			path: src/PhpSpreadsheet/Worksheet/PageSetup.php
 
-		-
-			message: "#^Parameter \\#1 \\$value of method PhpOffice\\\\PhpSpreadsheet\\\\Worksheet\\\\PageSetup\\:\\:setFirstPageNumber\\(\\) expects int, null given\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Worksheet/PageSetup.php
-
-		-
-			message: "#^Property PhpOffice\\\\PhpSpreadsheet\\\\Worksheet\\\\PageSetup\\:\\:\\$pageOrder has no type specified\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Worksheet/PageSetup.php
-
-		-
-			message: "#^Strict comparison using \\=\\=\\= between int\\<min, \\-1\\> and null will always evaluate to false\\.$#"
-			count: 1
-			path: src/PhpSpreadsheet/Worksheet/PageSetup.php
-
 		-
 			message: "#^Property PhpOffice\\\\PhpSpreadsheet\\\\Worksheet\\\\SheetView\\:\\:\\$sheetViewTypes has no type specified\\.$#"
 			count: 1

samples/Chart/33_Chart_create_line_dateaxis.php

@@ -101,10 +101,10 @@ $dataSeriesValues = [
 // marker details
 $dataSeriesValues[0]
     ->getMarkerFillColor()
-    ->setColorProperties('0070C0', null, ChartColor::EXCEL_COLOR_TYPE_ARGB);
+    ->setColorProperties('0070C0', null, ChartColor::EXCEL_COLOR_TYPE_RGB);
 $dataSeriesValues[0]
     ->getMarkerBorderColor()
-    ->setColorProperties('002060', null, ChartColor::EXCEL_COLOR_TYPE_ARGB);
+    ->setColorProperties('002060', null, ChartColor::EXCEL_COLOR_TYPE_RGB);
 
 // line details - dashed, smooth line (Bezier) with arrows, 40% transparent
 $dataSeriesValues[0]
@@ -129,18 +129,18 @@ $dataSeriesValues[1] // square marker border color
     ->setColorProperties('accent6', 3, ChartColor::EXCEL_COLOR_TYPE_SCHEME);
 $dataSeriesValues[1] // square marker fill color
     ->getMarkerFillColor()
-    ->setColorProperties('0FFF00', null, ChartColor::EXCEL_COLOR_TYPE_ARGB);
+    ->setColorProperties('0FFF00', null, ChartColor::EXCEL_COLOR_TYPE_RGB);
 $dataSeriesValues[1]
     ->setScatterLines(true)
     ->setSmoothLine(false)
-    ->setLineColorProperties('FF0000', 80, ChartColor::EXCEL_COLOR_TYPE_ARGB);
+    ->setLineColorProperties('FF0000', 80, ChartColor::EXCEL_COLOR_TYPE_RGB);
 $dataSeriesValues[1]->setLineWidth(2.0);
 
 // series 3 - metric3, markers, no line
 $dataSeriesValues[2] // triangle? fill
     //->setPointMarker('triangle') // let Excel choose shape, which is predicted to be a triangle
     ->getMarkerFillColor()
-    ->setColorProperties('FFFF00', null, ChartColor::EXCEL_COLOR_TYPE_ARGB);
+    ->setColorProperties('FFFF00', null, ChartColor::EXCEL_COLOR_TYPE_RGB);
 $dataSeriesValues[2] // triangle border
     ->getMarkerBorderColor()
     ->setColorProperties('accent4', null, ChartColor::EXCEL_COLOR_TYPE_SCHEME);
@@ -239,7 +239,7 @@ $dataSeriesValues[0]
     ->setScatterlines(false); // disable connecting lines
 $dataSeriesValues[0]
     ->getMarkerFillColor()
-    ->setColorProperties('FFFF00', null, ChartColor::EXCEL_COLOR_TYPE_ARGB);
+    ->setColorProperties('FFFF00', null, ChartColor::EXCEL_COLOR_TYPE_RGB);
 $dataSeriesValues[0]
     ->getMarkerBorderColor()
     ->setColorProperties('accent4', null, ChartColor::EXCEL_COLOR_TYPE_SCHEME);
@@ -326,7 +326,7 @@ $chart = new Chart(
 // Set the position of the chart in the chart sheet below the first chart
 $chart->setTopLeftPosition('A13');
 $chart->setBottomRightPosition('P25');
-$chart->setRoundedCorners('true'); // Rounded corners in Chart Outline
+$chart->setRoundedCorners(true); // Rounded corners in Chart Outline
 
 // Add the chart to the worksheet $chartSheet
 $chartSheet->addChart($chart);
@@ -350,8 +350,8 @@ function dateRange(int $nrows, Spreadsheet $wrkbk): array
     $startDate = DateTime::createFromFormat('Y-m-d', $startDateStr); // php date obj
 
     // get date of first day of the quarter of the start date
-    $startMonth = $startDate->format('n'); // suppress leading zero
+    $startMonth = (int) $startDate->format('n'); // suppress leading zero
-    $startYr = $startDate->format('Y');
+    $startYr = (int) $startDate->format('Y');
     $qtr = intdiv($startMonth, 3) + (($startMonth % 3 > 0) ? 1 : 0);
     $qtrStartMonth = sprintf('%02d', 1 + (($qtr - 1) * 3));
     $qtrStartStr = "$startYr-$qtrStartMonth-01";
@@ -360,8 +360,8 @@ function dateRange(int $nrows, Spreadsheet $wrkbk): array
     // end the xaxis at the end of the quarter of the last date
     $lastDateStr = $dataSheet->getCellByColumnAndRow(2, $nrows + 1)->getValue();
     $lastDate = DateTime::createFromFormat('Y-m-d', $lastDateStr);
-    $lastMonth = $lastDate->format('n');
+    $lastMonth = (int) $lastDate->format('n');
-    $lastYr = $lastDate->format('Y');
+    $lastYr = (int) $lastDate->format('Y');
     $qtr = intdiv($lastMonth, 3) + (($lastMonth % 3 > 0) ? 1 : 0);
     $qtrEndMonth = 3 + (($qtr - 1) * 3);
     $lastDOM = cal_days_in_month(CAL_GREGORIAN, $qtrEndMonth, $lastYr);

src/PhpSpreadsheet/Chart/Axis.php

@@ -219,7 +219,7 @@ class Axis extends Properties
      * @param ?int $alpha
      * @param ?string $AlphaType
      */
-    public function setFillParameters($color, $alpha = null, $AlphaType = self::EXCEL_COLOR_TYPE_ARGB): void
+    public function setFillParameters($color, $alpha = null, $AlphaType = ChartColor::EXCEL_COLOR_TYPE_RGB): void
     {
         $this->fillColor->setColorProperties($color, $alpha, $AlphaType);
     }

src/PhpSpreadsheet/Chart/Chart.php

@@ -774,9 +774,11 @@ class Chart
         return $this->roundedCorners;
     }
 
-    public function setRoundedCorners(bool $roundedCorners): self
+    public function setRoundedCorners(?bool $roundedCorners): self
     {
+        if ($roundedCorners !== null) {
             $this->roundedCorners = $roundedCorners;
+        }
 
         return $this;
     }

src/PhpSpreadsheet/Reader/Xlsx.php

@@ -306,22 +306,25 @@ class Xlsx extends BaseReader
         return (bool) $c->v;
     }
 
-    private static function castToError(SimpleXMLElement $c): ?string
+    private static function castToError(?SimpleXMLElement $c): ?string
     {
-        return isset($c->v) ? (string) $c->v : null;
+        return isset($c, $c->v) ? (string) $c->v : null;
     }
 
-    private static function castToString(SimpleXMLElement $c): ?string
+    private static function castToString(?SimpleXMLElement $c): ?string
     {
-        return isset($c->v) ? (string) $c->v : null;
+        return isset($c, $c->v) ? (string) $c->v : null;
     }
 
     /**
      * @param mixed $value
      * @param mixed $calculatedValue
      */
-    private function castToFormula(SimpleXMLElement $c, string $r, string &$cellDataType, &$value, &$calculatedValue, array &$sharedFormulas, string $castBaseType): void
+    private function castToFormula(?SimpleXMLElement $c, string $r, string &$cellDataType, &$value, &$calculatedValue, array &$sharedFormulas, string $castBaseType): void
     {
+        if ($c === null) {
+            return;
+        }
         $attr = $c->f->attributes();
         $cellDataType = 'f';
         $value = "={$c->f}";

src/PhpSpreadsheet/Reader/Xlsx/AutoFilter.php

@@ -85,9 +85,9 @@ class AutoFilter
         }
     }
 
-    private function readCustomAutoFilter(SimpleXMLElement $filterColumn, Column $column): void
+    private function readCustomAutoFilter(?SimpleXMLElement $filterColumn, Column $column): void
     {
-        if ($filterColumn->customFilters) {
+        if (isset($filterColumn, $filterColumn->customFilters)) {
             $column->setFilterType(Column::AUTOFILTER_FILTERTYPE_CUSTOMFILTER);
             $customFilters = $filterColumn->customFilters;
             //    Custom filters can an AND or an OR join;
@@ -104,9 +104,9 @@ class AutoFilter
         }
     }
 
-    private function readDynamicAutoFilter(SimpleXMLElement $filterColumn, Column $column): void
+    private function readDynamicAutoFilter(?SimpleXMLElement $filterColumn, Column $column): void
     {
-        if ($filterColumn->dynamicFilter) {
+        if (isset($filterColumn, $filterColumn->dynamicFilter)) {
             $column->setFilterType(Column::AUTOFILTER_FILTERTYPE_DYNAMICFILTER);
             //    We should only ever have one dynamic filter
             foreach ($filterColumn->dynamicFilter as $filterRule) {
@@ -126,9 +126,9 @@ class AutoFilter
         }
     }
 
-    private function readTopTenAutoFilter(SimpleXMLElement $filterColumn, Column $column): void
+    private function readTopTenAutoFilter(?SimpleXMLElement $filterColumn, Column $column): void
     {
-        if ($filterColumn->top10) {
+        if (isset($filterColumn, $filterColumn->top10)) {
             $column->setFilterType(Column::AUTOFILTER_FILTERTYPE_TOPTENFILTER);
             //    We should only ever have one top10 filter
             foreach ($filterColumn->top10 as $filterRule) {

src/PhpSpreadsheet/Reader/Xlsx/Chart.php

@@ -11,7 +11,7 @@ use PhpOffice\PhpSpreadsheet\Chart\GridLines;
 use PhpOffice\PhpSpreadsheet\Chart\Layout;
 use PhpOffice\PhpSpreadsheet\Chart\Legend;
 use PhpOffice\PhpSpreadsheet\Chart\PlotArea;
-use PhpOffice\PhpSpreadsheet\Chart\Properties;
+use PhpOffice\PhpSpreadsheet\Chart\Properties as ChartProperties;
 use PhpOffice\PhpSpreadsheet\Chart\Title;
 use PhpOffice\PhpSpreadsheet\Chart\TrendLine;
 use PhpOffice\PhpSpreadsheet\RichText\RichText;
@@ -113,6 +113,7 @@ class Chart
                                 $plotSeries = $plotAttributes = [];
                                 $catAxRead = false;
                                 $plotNoFill = false;
+                                /** @var SimpleXMLElement $chartDetail */
                                 foreach ($chartDetails as $chartDetailKey => $chartDetail) {
                                     switch ($chartDetailKey) {
                                         case 'spPr':
@@ -121,17 +122,18 @@ class Chart
                                                 $plotNoFill = true;
                                             }
                                             if (isset($possibleNoFill->gradFill->gsLst)) {
+                                                /** @var SimpleXMLElement $gradient */
                                                 foreach ($possibleNoFill->gradFill->gsLst->gs as $gradient) {
                                                     /** @var float */
                                                     $pos = self::getAttribute($gradient, 'pos', 'float');
                                                     $gradientArray[] = [
-                                                        $pos / Properties::PERCENTAGE_MULTIPLIER,
+                                                        $pos / ChartProperties::PERCENTAGE_MULTIPLIER,
                                                         new ChartColor($this->readColor($gradient)),
                                                     ];
                                                 }
                                             }
                                             if (isset($possibleNoFill->gradFill->lin)) {
-                                                $gradientLin = Properties::XmlToAngle((string) self::getAttribute($possibleNoFill->gradFill->lin, 'ang', 'string'));
+                                                $gradientLin = ChartProperties::XmlToAngle((string) self::getAttribute($possibleNoFill->gradFill->lin, 'ang', 'string'));
                                             }
 
                                             break;
@@ -464,12 +466,13 @@ class Chart
                     $pointSize = null;
                     $noFill = false;
                     $bubble3D = false;
-                    $dPtColors = [];
+                    $dptColors = [];
                     $markerFillColor = null;
                     $markerBorderColor = null;
                     $lineStyle = null;
                     $labelLayout = null;
                     $trendLines = [];
+                    /** @var SimpleXMLElement $seriesDetail */
                     foreach ($seriesDetails as $seriesKey => $seriesDetail) {
                         switch ($seriesKey) {
                             case 'idx':
@@ -487,7 +490,6 @@ class Chart
                                 break;
                             case 'spPr':
                                 $children = $seriesDetail->children($this->aNamespace);
-                                $ln = $children->ln;
                                 if (isset($children->ln)) {
                                     $ln = $children->ln;
                                     if (is_countable($ln->noFill) && count($ln->noFill) === 1) {
@@ -1161,7 +1163,7 @@ class Chart
         }
     }
 
-    private function readEffects(SimpleXMLElement $chartDetail, ?Properties $chartObject): void
+    private function readEffects(SimpleXMLElement $chartDetail, ?ChartProperties $chartObject): void
     {
         if (!isset($chartObject, $chartDetail->spPr)) {
             return;
@@ -1169,7 +1171,7 @@ class Chart
         $sppr = $chartDetail->spPr->children($this->aNamespace);
 
         if (isset($sppr->effectLst->glow)) {
-            $axisGlowSize = (float) self::getAttribute($sppr->effectLst->glow, 'rad', 'integer') / Properties::POINTS_WIDTH_MULTIPLIER;
+            $axisGlowSize = (float) self::getAttribute($sppr->effectLst->glow, 'rad', 'integer') / ChartProperties::POINTS_WIDTH_MULTIPLIER;
             if ($axisGlowSize != 0.0) {
                 $colorArray = $this->readColor($sppr->effectLst->glow);
                 $chartObject->setGlowProperties($axisGlowSize, $colorArray['value'], $colorArray['alpha'], $colorArray['type']);
@@ -1180,7 +1182,7 @@ class Chart
             /** @var string */
             $softEdgeSize = self::getAttribute($sppr->effectLst->softEdge, 'rad', 'string');
             if (is_numeric($softEdgeSize)) {
-                $chartObject->setSoftEdges((float) Properties::xmlToPoints($softEdgeSize));
+                $chartObject->setSoftEdges((float) ChartProperties::xmlToPoints($softEdgeSize));
             }
         }
 
@@ -1195,20 +1197,20 @@ class Chart
         if ($type !== '') {
             /** @var string */
             $blur = self::getAttribute($sppr->effectLst->$type, 'blurRad', 'string');
-            $blur = is_numeric($blur) ? Properties::xmlToPoints($blur) : null;
+            $blur = is_numeric($blur) ? ChartProperties::xmlToPoints($blur) : null;
             /** @var string */
             $dist = self::getAttribute($sppr->effectLst->$type, 'dist', 'string');
-            $dist = is_numeric($dist) ? Properties::xmlToPoints($dist) : null;
+            $dist = is_numeric($dist) ? ChartProperties::xmlToPoints($dist) : null;
             /** @var string */
             $direction = self::getAttribute($sppr->effectLst->$type, 'dir', 'string');
-            $direction = is_numeric($direction) ? Properties::xmlToAngle($direction) : null;
+            $direction = is_numeric($direction) ? ChartProperties::xmlToAngle($direction) : null;
             $algn = self::getAttribute($sppr->effectLst->$type, 'algn', 'string');
             $rot = self::getAttribute($sppr->effectLst->$type, 'rotWithShape', 'string');
             $size = [];
             foreach (['sx', 'sy'] as $sizeType) {
                 $sizeValue = self::getAttribute($sppr->effectLst->$type, $sizeType, 'string');
                 if (is_numeric($sizeValue)) {
-                    $size[$sizeType] = Properties::xmlToTenthOfPercent((string) $sizeValue);
+                    $size[$sizeType] = ChartProperties::xmlToTenthOfPercent((string) $sizeValue);
                 } else {
                     $size[$sizeType] = null;
                 }
@@ -1216,7 +1218,7 @@ class Chart
             foreach (['kx', 'ky'] as $sizeType) {
                 $sizeValue = self::getAttribute($sppr->effectLst->$type, $sizeType, 'string');
                 if (is_numeric($sizeValue)) {
-                    $size[$sizeType] = Properties::xmlToAngle((string) $sizeValue);
+                    $size[$sizeType] = ChartProperties::xmlToAngle((string) $sizeValue);
                 } else {
                     $size[$sizeType] = null;
                 }
@@ -1273,7 +1275,7 @@ class Chart
         return $result;
     }
 
-    private function readLineStyle(SimpleXMLElement $chartDetail, ?Properties $chartObject): void
+    private function readLineStyle(SimpleXMLElement $chartDetail, ?ChartProperties $chartObject): void
     {
         if (!isset($chartObject, $chartDetail->spPr)) {
             return;
@@ -1287,7 +1289,7 @@ class Chart
         /** @var string */
         $lineWidthTemp = self::getAttribute($sppr->ln, 'w', 'string');
         if (is_numeric($lineWidthTemp)) {
-            $lineWidth = Properties::xmlToPoints($lineWidthTemp);
+            $lineWidth = ChartProperties::xmlToPoints($lineWidthTemp);
         }
         /** @var string */
         $compoundType = self::getAttribute($sppr->ln, 'cmpd', 'string');
@@ -1296,15 +1298,13 @@ class Chart
         /** @var string */
         $capType = self::getAttribute($sppr->ln, 'cap', 'string');
         if (isset($sppr->ln->miter)) {
-            $joinType = Properties::LINE_STYLE_JOIN_MITER;
+            $joinType = ChartProperties::LINE_STYLE_JOIN_MITER;
         } elseif (isset($sppr->ln->bevel)) {
-            $joinType = Properties::LINE_STYLE_JOIN_BEVEL;
+            $joinType = ChartProperties::LINE_STYLE_JOIN_BEVEL;
         } else {
             $joinType = '';
         }
-        $headArrowType = '';
         $headArrowSize = '';
-        $endArrowType = '';
         $endArrowSize = '';
         /** @var string */
         $headArrowType = self::getAttribute($sppr->ln->headEnd, 'type', 'string');
@@ -1403,7 +1403,7 @@ class Chart
                 /** @var string */
                 $textRotation = self::getAttribute($children->bodyPr, 'rot', 'string');
                 if (is_numeric($textRotation)) {
-                    $whichAxis->setAxisOption('textRotation', (string) Properties::xmlToAngle($textRotation));
+                    $whichAxis->setAxisOption('textRotation', (string) ChartProperties::xmlToAngle($textRotation));
                 }
             }
         }

src/PhpSpreadsheet/Worksheet/PageSetup.php

@@ -259,10 +259,11 @@ class PageSetup
     /**
      * First page number.
      *
-     * @var int
+     * @var ?int
      */
     private $firstPageNumber;
 
+    /** @var string */
     private $pageOrder = self::PAGEORDER_DOWN_THEN_OVER;
 
     /**
@@ -375,7 +376,7 @@ class PageSetup
     {
         // Microsoft Office Excel 2007 only allows setting a scale between 10 and 400 via the user interface,
         // but it is apparently still able to handle any scale >= 0, where 0 results in 100
-        if (($scale >= 0) || $scale === null) {
+        if ($scale === null || $scale >= 0) {
             $this->scale = $scale;
             if ($update) {
                 $this->fitToPage = false;
@@ -845,7 +846,7 @@ class PageSetup
     /**
      * Get first page number.
      *
-     * @return int
+     * @return ?int
      */
     public function getFirstPageNumber()
     {
@@ -855,7 +856,7 @@ class PageSetup
     /**
      * Set first page number.
      *
-     * @param int $value
+     * @param ?int $value
      *
      * @return $this
      */

src/PhpSpreadsheet/Worksheet/Worksheet.php

@@ -1359,7 +1359,7 @@ class Worksheet implements IComparable
 
         if ($rowDimension !== null && $rowDimension->getXfIndex() > 0) {
             // then there is a row dimension with explicit style, assign it to the cell
-            $cell->setXfIndex($rowDimension->getXfIndex());
+            $cell->setXfIndex(/** @scrutinizer ignore-type */ $rowDimension->getXfIndex());
         } elseif ($columnDimension !== null && $columnDimension->getXfIndex() > 0) {
             // then there is a column dimension, assign it to the cell
             $cell->setXfIndex($columnDimension->getXfIndex());

src/PhpSpreadsheet/Writer/Html.php

@@ -24,6 +24,7 @@ use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
 use PhpOffice\PhpSpreadsheet\Style\Style;
 use PhpOffice\PhpSpreadsheet\Worksheet\Drawing;
 use PhpOffice\PhpSpreadsheet\Worksheet\MemoryDrawing;
+use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;
 use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
 
 class Html extends BaseWriter
@@ -1277,23 +1278,22 @@ class Html extends BaseWriter
         }
     }
 
-    private function generateRowCellDataValue(Worksheet $worksheet, Cell $cell, ?string &$cellData): void
+    private function generateRowCellDataValue(Worksheet $worksheet, Cell $cell, string &$cellData): void
     {
         if ($cell->getValue() instanceof RichText) {
             $this->generateRowCellDataValueRich($cell, $cellData);
         } else {
             $origData = $this->preCalculateFormulas ? $cell->getCalculatedValue() : $cell->getValue();
             $formatCode = $worksheet->getParent()->getCellXfByIndex($cell->getXfIndex())->getNumberFormat()->getFormatCode();
-            if ($formatCode !== null) {
+
             $cellData = NumberFormat::toFormattedString(
-                    $origData,
+                $origData ?? '',
-                    $formatCode,
+                $formatCode ?? NumberFormat::FORMAT_GENERAL,
                 [$this, 'formatColor']
             );
-            }
 
             if ($cellData === $origData) {
-                $cellData = htmlspecialchars($cellData ?? '', Settings::htmlEntityFlags());
+                $cellData = htmlspecialchars($cellData, Settings::htmlEntityFlags());
             }
             if ($worksheet->getParent()->getCellXfByIndex($cell->getXfIndex())->getFont()->getSuperscript()) {
                 $cellData = '<sup>' . $cellData . '</sup>';
@@ -1477,8 +1477,8 @@ class Html extends BaseWriter
                 && $this->isSpannedCell[$worksheet->getParent()->getIndex($worksheet)][$row + 1][$colNum]);
 
             // Colspan and Rowspan
-            $colspan = 1;
+            $colSpan = 1;
-            $rowspan = 1;
+            $rowSpan = 1;
             if (isset($this->isBaseCell[$worksheet->getParent()->getIndex($worksheet)][$row + 1][$colNum])) {
                 $spans = $this->isBaseCell[$worksheet->getParent()->getIndex($worksheet)][$row + 1][$colNum];
                 $rowSpan = $spans['rowspan'];
@@ -1791,7 +1791,8 @@ class Html extends BaseWriter
 
     public function getOrientation(): ?string
     {
-        return null;
+        // Expect Pdf classes to override this method.
+        return $this->isPdf ? PageSetup::ORIENTATION_PORTRAIT : null;
     }
 
     /**
@@ -1830,9 +1831,9 @@ class Html extends BaseWriter
             $bottom = StringHelper::FormatNumber($worksheet->getPageMargins()->getBottom()) . 'in; ';
             $htmlPage .= 'margin-bottom: ' . $bottom;
             $orientation = $this->getOrientation() ?? $worksheet->getPageSetup()->getOrientation();
-            if ($orientation === \PhpOffice\PhpSpreadsheet\Worksheet\PageSetup::ORIENTATION_LANDSCAPE) {
+            if ($orientation === PageSetup::ORIENTATION_LANDSCAPE) {
                 $htmlPage .= 'size: landscape; ';
-            } elseif ($orientation === \PhpOffice\PhpSpreadsheet\Worksheet\PageSetup::ORIENTATION_PORTRAIT) {
+            } elseif ($orientation === PageSetup::ORIENTATION_PORTRAIT) {
                 $htmlPage .= 'size: portrait; ';
             }
             $htmlPage .= '}' . PHP_EOL;

src/PhpSpreadsheet/Writer/Xls/Worksheet.php

@@ -465,7 +465,7 @@ class Worksheet extends BIFFwriter
                             switch ($calctype) {
                                 case 'integer':
                                 case 'double':
-                                    $this->writeNumber($row, $column, $calculatedValue, $xfIndex);
+                                    $this->writeNumber($row, $column, (float) $calculatedValue, $xfIndex);
 
                                     break;
                                 case 'string':
@@ -473,7 +473,7 @@ class Worksheet extends BIFFwriter
 
                                     break;
                                 case 'boolean':
-                                    $this->writeBoolErr($row, $column, $calculatedValue, 0, $xfIndex);
+                                    $this->writeBoolErr($row, $column, (int) $calculatedValue, 0, $xfIndex);
 
                                     break;
                                 default:

src/PhpSpreadsheet/Writer/Xlsx/Worksheet.php

@@ -503,7 +503,7 @@ class Worksheet extends WriterPart
     private static function writeTimePeriodCondElements(XMLWriter $objWriter, Conditional $conditional, string $cellCoordinate): void
     {
         $txt = $conditional->getText();
-        if ($txt !== null) {
+        if (!empty($txt)) {
             $objWriter->writeAttribute('timePeriod', $txt);
             if (empty($conditional->getConditions())) {
                 if ($conditional->getOperatorType() == Conditional::TIMEPERIOD_TODAY) {
@@ -536,7 +536,7 @@ class Worksheet extends WriterPart
     private static function writeTextCondElements(XMLWriter $objWriter, Conditional $conditional, string $cellCoordinate): void
     {
         $txt = $conditional->getText();
-        if ($txt !== null) {
+        if (!empty($txt)) {
             $objWriter->writeAttribute('text', $txt);
             if (empty($conditional->getConditions())) {
                 if ($conditional->getOperatorType() == Conditional::OPERATOR_CONTAINSTEXT) {
@@ -1034,7 +1034,7 @@ class Worksheet extends WriterPart
         } else {
             $objWriter->writeAttribute('fitToWidth', '0');
         }
-        if ($worksheet->getPageSetup()->getFirstPageNumber() !== null) {
+        if (!empty($worksheet->getPageSetup()->getFirstPageNumber())) {
             $objWriter->writeAttribute('firstPageNumber', (string) $worksheet->getPageSetup()->getFirstPageNumber());
             $objWriter->writeAttribute('useFirstPageNumber', '1');
         }
@@ -1228,7 +1228,7 @@ class Worksheet extends WriterPart
                 StringHelper::controlCharacterPHP2OOXML(htmlspecialchars($cellValue, Settings::htmlEntityFlags()))
             );
             $objWriter->endElement();
-        } elseif ($cellValue instanceof RichText) {
+        } else {
             $objWriter->startElement('is');
             $this->getParentWriter()->getWriterPartstringtable()->writeRichText($objWriter, $cellValue);
             $objWriter->endElement();

tests/PhpSpreadsheetTests/Reader/Xlsx/AutoFilter2Test.php

@@ -70,6 +70,7 @@ class AutoFilter2Test extends TestCase
         self::assertCount(1, $columns);
         $column = $columns['A'] ?? null;
         self::assertNotNull($column);
+        /** @scrutinizer ignore-call */
         $ruleset = $column->getRules();
         self::assertCount(1, $ruleset);
         $rule = $ruleset[0];

tests/PhpSpreadsheetTests/RichTextTest.php

@@ -28,9 +28,6 @@ class RichTextTest extends TestCase
     public function testTextElements(): void
     {
         $element1 = new TextElement('A');
-        if ($element1->getFont() !== null) {
-            self::fail('Expected font to be null');
-        }
         $element2 = new TextElement('B');
         $element3 = new TextElement('C');
         $richText = new RichText();