PHPOffice · PowerKiKi · Jan 4, 2024 · Nov 15, 2023 · Dec 9, 2023 · Dec 9, 2023
diff --git a/bin/check-phpdoc-types b/bin/check-phpdoc-types
@@ -11,7 +11,7 @@
 function checkPhpDocTypes(): void
 {
     $content = `git diff --cached` ?? `git diff` ?? `git show HEAD`;
-    preg_match_all('~^\+ +\* @(param|var) (mixed|string|int|float|bool|null|array|\?|\|)+ \$\w+$~m', $content, $parameters);
+    preg_match_all('~^\+ +\* @(param|var) (mixed|string|int|float|bool|null|array|\?|\|)+( \$\w+)?$~m', $content, $parameters);
     preg_match_all('~^\+ +\* @return (mixed|string|int|float|bool|null|array|void|\?|\|)+$~m', $content, $returns);
 
     $errors = [

diff --git a/composer.json b/composer.json
@@ -46,22 +46,22 @@
     "scripts": {
         "check": [
             "./bin/check-phpdoc-types",
-            "phpcs src/ tests/ --report=checkstyle",
-            "phpcs --report-width=200 samples/ src/ tests/ --ignore=samples/Header.php --standard=PHPCompatibility --runtime-set testVersion 8.0- -n",
+            "phpcs samples/ src/ tests/ --report=checkstyle",
+            "phpcs samples/ src/ tests/ --standard=PHPCompatibility --runtime-set testVersion 8.0- -n",
             "php-cs-fixer fix --ansi --dry-run --diff",
             "phpunit --color=always",
             "phpstan analyse --ansi --memory-limit=2048M"
         ],
         "style": [
-            "phpcs src/ tests/ --report=checkstyle",
+            "phpcs samples/ src/ tests/ --report=checkstyle",
             "php-cs-fixer fix --ansi --dry-run --diff"
         ],
         "fix": [
-            "phpcbf src/ tests/ --report=checkstyle",
+            "phpcbf samples/ src/ tests/ --report=checkstyle",
             "php-cs-fixer fix"
         ],
         "versions": [
-            "phpcs --report-width=200 samples/ src/ tests/ --ignore=samples/Header.php --standard=PHPCompatibility --runtime-set testVersion 8.0- -n"
+            "phpcs samples/ src/ tests/ --standard=PHPCompatibility --runtime-set testVersion 8.0- -n"
         ]
     },
     "require": {

diff --git a/infra/LocaleGenerator.php b/infra/LocaleGenerator.php
@@ -28,38 +28,23 @@ class LocaleGenerator
     private const ENGLISH_REFERENCE_COLUMN = 'B';
     private const EOL = "\n"; // not PHP_EOL
 
-    /**
-     * @var string
-     */
-    protected $translationSpreadsheetName;
+    protected string $translationSpreadsheetName;
 
-    /**
-     * @var string
-     */
-    protected $translationBaseFolder;
+    protected string $translationBaseFolder;
 
     protected array $phpSpreadsheetFunctions;
 
-    /**
-     * @var Spreadsheet
-     */
-    protected $translationSpreadsheet;
+    protected Spreadsheet $translationSpreadsheet;
 
     protected bool $verbose;
 
-    /**
-     * @var Worksheet
-     */
-    protected $localeTranslations;
+    protected Worksheet $localeTranslations;
 
     protected array $localeLanguageMap = [];
 
     protected array $errorCodeMap = [];
 
-    /**
-     * @var Worksheet
-     */
-    private $functionNameTranslations;
+    private Worksheet $functionNameTranslations;
 
     protected array $functionNameLanguageMap = [];
 

diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
diff --git a/phpstan.neon.dist b/phpstan.neon.dist
@@ -6,9 +6,9 @@ includes:
 parameters:
     level: 8
     paths:
+        - samples/
         - src/
         - tests/
-        - samples/
         - infra/
         - bin/generate-document
         - bin/generate-locales

diff --git a/samples/Basic/24_Readfilter.php b/samples/Basic/24_Readfilter.php
@@ -18,7 +18,7 @@
 
 class MyReadFilter implements IReadFilter
 {
-    public function readCell($columnAddress, $row, $worksheetName = '')
+    public function readCell(string $columnAddress, int $row, string $worksheetName = ''): bool
     {
         // Read title row and rows 20 - 30
         if ($row == 1 || ($row >= 20 && $row <= 30)) {

diff --git a/samples/Basic/26_Utf8.php b/samples/Basic/26_Utf8.php
@@ -16,27 +16,20 @@
 $helper->write($spreadsheet, __FILE__, ['Xlsx', 'Xls', 'Html']);
 
 // Export to PDF (mpdf)
-function mpdfCjkWriter(Mpdf $writer): void
-{
-    /** @var callable */
-    $callback = 'mpdfCjk';
-    $writer->setEditHtmlCallback($callback);
-}
+$mpdfCjkWriter = function (Mpdf $writer): void {
+    $mpdfCjk = function (string $html): string {
+        $html = str_replace("'Calibri'", "'Calibri',Sun-ExtA", $html);
 
-function mpdfCjk(string $html): string
-{
-    $html = str_replace("'Calibri'", "'Calibri',Sun-ExtA", $html);
+        return str_replace("'Times New Roman'", "'Times New Roman',Sun-ExtA", $html);
+    };
 
-    return str_replace("'Times New Roman'", "'Times New Roman',Sun-ExtA", $html);
-}
+    $writer->setEditHtmlCallback($mpdfCjk);
+};
 
 $helper->log('Write to Mpdf');
 IOFactory::registerWriter('Pdf', Mpdf::class);
-/** @var callable */
-$callback = 'mpdfCjkWriter';
 $filename = __FILE__;
-//$filename = str_replace('.php', '.mdpf.php', __FILE__);
-$helper->write($spreadsheet, $filename, ['Pdf'], false, $callback);
+$helper->write($spreadsheet, $filename, ['Pdf'], false, $mpdfCjkWriter);
 
 // Remove first two rows with field headers before exporting to CSV
 $helper->log('Removing first two heading rows for CSV export');

diff --git a/samples/Basic/39_Dropdown.php b/samples/Basic/39_Dropdown.php
@@ -40,7 +40,7 @@ function transpose(string $value): array
     $countryCount = count($countries);
 
     // Transpose $countries from a row to a column array
-    $countries = array_map('transpose', $countries);
+    $countries = array_map(fn (mixed $value): array => [$value], $countries);
     $spreadsheet->getActiveSheet()
         ->fromArray($countries, null, $column . '1');
     $spreadsheet->addNamedRange(

diff --git a/samples/Chart/33_Chart_create_line_dateaxis.php b/samples/Chart/33_Chart_create_line_dateaxis.php
@@ -157,7 +157,7 @@
     $xAxisTickValues, // plotCategory
     $dataSeriesValues, // plotValues
     null, // plotDirection
-    null, // smooth line
+    false, // smooth line
     DataSeries::STYLE_SMOOTHMARKER // plotStyle
 );
 
@@ -279,7 +279,7 @@
 // change xAxis tick marks to match Qtr boundaries
 
 $nQtrs = sprintf('%3.2f', (($dateMinMax['max'] - $dateMinMax['min']) / 30.5) / 4);
-$tickMarkInterval = ($nQtrs > 20) ? 6 : 3; // tick marks every ? months
+$tickMarkInterval = ($nQtrs > 20) ? '6' : '3'; // tick marks every ? months
 
 $xAxis->setAxisOptionsProperties(
     Properties::AXIS_LABELS_NEXT_TO, // axis_label pos

diff --git a/samples/Chart/33_Chart_create_radar.php b/samples/Chart/33_Chart_create_radar.php
@@ -74,7 +74,7 @@
     $xAxisTickValues, // plotCategory
     $dataSeriesValues, // plotValues
     null, // plotDirection
-    null, // smooth line
+    false, // smooth line
     DataSeries::STYLE_MARKER  // plotStyle
 );
 

diff --git a/samples/Chart/33_Chart_create_scatter.php b/samples/Chart/33_Chart_create_scatter.php
@@ -60,7 +60,7 @@
     $xAxisTickValues, // plotCategory
     $dataSeriesValues, // plotValues
     null, // plotDirection
-    null, // smooth line
+    false, // smooth line
     DataSeries::STYLE_LINEMARKER  // plotStyle
 );
 

diff --git a/samples/Chart/33_Chart_create_scatter2.php b/samples/Chart/33_Chart_create_scatter2.php
@@ -89,9 +89,9 @@
     Properties::LINE_STYLE_CAP_SQUARE, // cap
     Properties::LINE_STYLE_JOIN_MITER, // join
     Properties::LINE_STYLE_ARROW_TYPE_OPEN, // head type
-    (string) Properties::LINE_STYLE_ARROW_SIZE_4, // head size preset index
+    Properties::LINE_STYLE_ARROW_SIZE_4, // head size preset index
     Properties::LINE_STYLE_ARROW_TYPE_ARROW, // end type
-    (string) Properties::LINE_STYLE_ARROW_SIZE_6 // end size preset index
+    Properties::LINE_STYLE_ARROW_SIZE_6 // end size preset index
 );
 
 // series 2 - straight line - no special effects, connected, straight line

diff --git a/samples/Chart/33_Chart_create_scatter4.php b/samples/Chart/33_Chart_create_scatter4.php
@@ -61,7 +61,7 @@
     $xAxisTickValues, // plotCategory
     $dataSeriesValues, // plotValues
     null, // plotDirection
-    null, // smooth line
+    false, // smooth line
     DataSeries::STYLE_LINEMARKER  // plotStyle
 );
 

diff --git a/samples/Chart/33_Chart_create_scatter5_trendlines.php b/samples/Chart/33_Chart_create_scatter5_trendlines.php
@@ -133,7 +133,7 @@
     $xAxisTickValues, // plotCategory
     $dataSeriesValues, // plotValues
     null, // plotDirection
-    null, // smooth line
+    false, // smooth line
     DataSeries::STYLE_SMOOTHMARKER // plotStyle
 );
 
@@ -217,7 +217,7 @@
 $dataSeriesValues[0]->getTrendLines()[1]->setLineStyleProperties(1.25);
 
 $dataSeriesValues[0]->getTrendLines()[2]->getLineColor()->setColorProperties('accent2', null, ChartColor::EXCEL_COLOR_TYPE_SCHEME);
-$dataSeriesValues[0]->getTrendLines()[2]->setLineStyleProperties(1.5, null, null, null, null, null, null, Properties::LINE_STYLE_ARROW_TYPE_OPEN, 8);
+$dataSeriesValues[0]->getTrendLines()[2]->setLineStyleProperties(1.5, null, null, null, null, null, 0, Properties::LINE_STYLE_ARROW_TYPE_OPEN, 8);
 
 $xAxis = new ChartAxis();
 $xAxis->setAxisNumberProperties(Properties::FORMAT_CODE_DATE_ISO8601); // m/d/yyyy
@@ -231,7 +231,7 @@
     $xAxisTickValues, // plotCategory
     $dataSeriesValues, // plotValues
     null, // plotDirection
-    null, // smooth line
+    false, // smooth line
     DataSeries::STYLE_SMOOTHMARKER // plotStyle
 );
 

diff --git a/samples/Chart/33_Chart_create_scatter6_value_xaxis.php b/samples/Chart/33_Chart_create_scatter6_value_xaxis.php
@@ -61,7 +61,7 @@
     $xAxisTickValues, // plotCategory
     $dataSeriesValues, // plotValues
     null, // plotDirection
-    null, // smooth line
+    false, // smooth line
     DataSeries::STYLE_LINEMARKER // plotStyle
 );
 
@@ -81,10 +81,10 @@
     null, // axisOrientation
     null, // majorTmt
     Properties::TICK_MARK_OUTSIDE, // minorTmt
-    0, // minimum
-    6, // maximum
+    '0', // minimum
+    '6', // maximum
     null, // majorUnit
-    1, // minorUnit
+    '1', // minorUnit
 );
 
 $xAxis->setAxisType(ChartAxis::AXIS_TYPE_VALUE);
@@ -98,10 +98,10 @@
     null, // axisOrientation
     null, // majorTmt
     Properties::TICK_MARK_OUTSIDE, // minorTmt
-    0, // minimum
-    25, // 30 // maximum
+    '0', // minimum
+    '25', // 30 // maximum
     null, // majorUnit
-    5, // minorUnit
+    '5', // minorUnit
 );
 
 // Create the chart

diff --git a/samples/Pdf/Mpdf2.php b/samples/Pdf/Mpdf2.php
@@ -17,10 +17,8 @@ class Mpdf2 extends Mpdf
      * Other configuration options may be specified here.
      *
      * @param array $config Configuration array
-     *
-     * @return \Mpdf\Mpdf implementation
      */
-    protected function createExternalWriterInstance($config)
+    protected function createExternalWriterInstance($config): \Mpdf\Mpdf
     {
         $defaultConfig = (new \Mpdf\Config\ConfigVariables())->getDefaults();
         $fontDirs = $defaultConfig['fontDir'];

diff --git a/samples/Reader/08_Simple_file_reader_loading_several_named_worksheets.php b/samples/Reader/08_Simple_file_reader_loading_several_named_worksheets.php
@@ -16,7 +16,7 @@ function getDesiredSheetNames(): array
 
 $helper->log('Loading file ' . pathinfo($inputFileName, PATHINFO_BASENAME) . ' using IOFactory with a defined reader type of ' . $inputFileType);
 $reader = IOFactory::createReader($inputFileType);
-$helper->log('Loading Sheet' . ((count($sheetnames) == 1) ? '' : 's') . ' "' . implode('" and "', $sheetnames) . '" only');
+$helper->log('Loading Sheets "' . implode('" and "', $sheetnames) . '" only');
 $reader->setLoadSheetsOnly($sheetnames);
 $spreadsheet = $reader->load($inputFileName);
 

diff --git a/samples/Reader/09_Simple_file_reader_using_a_read_filter.php b/samples/Reader/09_Simple_file_reader_using_a_read_filter.php
@@ -13,7 +13,7 @@
 
 class MyReadFilter implements IReadFilter
 {
-    public function readCell($columnAddress, $row, $worksheetName = '')
+    public function readCell(string $columnAddress, int $row, string $worksheetName = ''): bool
     {
         // Read rows 9 to 15 and columns A to E only
         if ($row >= 9 && $row <= 15) {

diff --git a/samples/Reader/10_Simple_file_reader_using_a_configurable_read_filter.php b/samples/Reader/10_Simple_file_reader_using_a_configurable_read_filter.php
@@ -13,20 +13,14 @@
 
 class MyReadFilter implements IReadFilter
 {
-    private int $startRow = 0;
-
-    private int $endRow = 0;
-
-    private array $columns = [];
-
-    public function __construct(int $startRow, int $endRow, array $columns)
-    {
-        $this->startRow = $startRow;
-        $this->endRow = $endRow;
-        $this->columns = $columns;
+    public function __construct(
+        private int $startRow,
+        private int $endRow,
+        private array $columns
+    ) {
     }
 
-    public function readCell($columnAddress, $row, $worksheetName = '')
+    public function readCell(string $columnAddress, int $row, string $worksheetName = ''): bool
     {
         if ($row >= $this->startRow && $row <= $this->endRow) {
             if (in_array($columnAddress, $this->columns)) {

diff --git a/...s/Reader/11_Reading_a_workbook_in_chunks_using_a_configurable_read_filter_(version_1).php b/...s/Reader/11_Reading_a_workbook_in_chunks_using_a_configurable_read_filter_(version_1).php
@@ -13,9 +13,9 @@
 /**  Define a Read Filter class implementing IReadFilter  */
 class ChunkReadFilter implements IReadFilter
 {
-    private int $startRow = 0;
+    private int $startRow;
 
-    private int $endRow = 0;
+    private int $endRow;
 
     /**
      * We expect a list of the rows that we want to read to be passed into the constructor.
@@ -26,7 +26,7 @@ public function __construct(int $startRow, int $chunkSize)
         $this->endRow = $startRow + $chunkSize;
     }
 
-    public function readCell($columnAddress, $row, $worksheetName = '')
+    public function readCell(string $columnAddress, int $row, string $worksheetName = ''): bool
     {
         //  Only read the heading row, and the rows that were configured in the constructor
         if (($row == 1) || ($row >= $this->startRow && $row < $this->endRow)) {

diff --git a/...s/Reader/12_Reading_a_workbook_in_chunks_using_a_configurable_read_filter_(version_2).php b/...s/Reader/12_Reading_a_workbook_in_chunks_using_a_configurable_read_filter_(version_2).php
@@ -26,7 +26,7 @@ public function setRows(int $startRow, int $chunkSize): void
         $this->endRow = $startRow + $chunkSize;
     }
 
-    public function readCell($columnAddress, $row, $worksheetName = '')
+    public function readCell(string $columnAddress, int $row, string $worksheetName = ''): bool
     {
         //  Only read the heading row, and the rows that are configured in $this->_startRow and $this->_endRow
         if (($row == 1) || ($row >= $this->startRow && $row < $this->endRow)) {

diff --git a/samples/Reader/14_Reading_a_large_CSV_file_in_chunks_to_split_across_multiple_worksheets.php b/samples/Reader/14_Reading_a_large_CSV_file_in_chunks_to_split_across_multiple_worksheets.php
@@ -26,7 +26,7 @@ public function setRows(int $startRow, int $chunkSize): void
         $this->endRow = $startRow + $chunkSize;
     }
 
-    public function readCell($columnAddress, $row, $worksheetName = '')
+    public function readCell(string $columnAddress, int $row, string $worksheetName = ''): bool
     {
         //  Only read the heading row, and the rows that are configured in $this->_startRow and $this->_endRow
         if (($row == 1) || ($row >= $this->startRow && $row < $this->endRow)) {

diff --git a/src/PhpSpreadsheet/Calculation/ArrayEnabled.php b/src/PhpSpreadsheet/Calculation/ArrayEnabled.php
@@ -7,10 +7,7 @@
 
 trait ArrayEnabled
 {
-    /**
-     * @var ArrayArgumentHelper
-     */
-    private static $arrayArgumentHelper;
+    private static ?ArrayArgumentHelper $arrayArgumentHelper = null;
 
     /**
      * @param array|false $arguments Can be changed to array for Php8.1+

diff --git a/src/PhpSpreadsheet/Calculation/BinaryComparison.php b/src/PhpSpreadsheet/Calculation/BinaryComparison.php
@@ -17,7 +17,7 @@ class BinaryComparison
      * @param null|string $str1 First string value for the comparison
      * @param null|string $str2 Second string value for the comparison
      */
-    private static function strcmpLowercaseFirst($str1, $str2): int
+    private static function strcmpLowercaseFirst(?string $str1, ?string $str2): int
     {
         $inversedStr1 = StringHelper::strCaseReverse($str1 ?? '');
         $inversedStr2 = StringHelper::strCaseReverse($str2 ?? '');
@@ -31,7 +31,7 @@ private static function strcmpLowercaseFirst($str1, $str2): int
      * @param null|string $str1 First string value for the comparison
      * @param null|string $str2 Second string value for the comparison
      */
-    private static function strcmpAllowNull($str1, $str2): int
+    private static function strcmpAllowNull(?string $str1, ?string $str2): int
     {
         return strcmp($str1 ?? '', $str2 ?? '');
     }