More cleanup PHPDoc according to PhpStorm

samples/Basic/26_Utf8.php

@@ -16,27 +16,20 @@ $spreadsheet->getActiveSheet()->setPrintGridlines(true);
 $helper->write($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');

src/PhpSpreadsheet/Calculation/DateTimeExcel/Month.php

@@ -2,6 +2,7 @@
 
 namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
 
+use DateTime;
 use PhpOffice\PhpSpreadsheet\Calculation\ArrayEnabled;
 use PhpOffice\PhpSpreadsheet\Calculation\Exception;
 
@@ -28,12 +29,12 @@ class Month
      *                                        a negative value yields a past date.
      *                         Or can be an array of adjustment values
      *
-     * @return array|mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
+     * @return array|DateTime|float|int|string Excel date/time serial value, PHP date/time serial value or PHP date/time object,
      *                        depending on the value of the ReturnDateType flag
      *         If an array of values is passed as the argument, then the returned result will also be an array
      *            with the same dimensions
      */
-    public static function adjust(mixed $dateValue, array|string|bool|float|int $adjustmentMonths)
+    public static function adjust(mixed $dateValue, array|string|bool|float|int $adjustmentMonths): DateTime|float|int|string|array
     {
         if (is_array($dateValue) || is_array($adjustmentMonths)) {
             return self::evaluateArrayArguments([self::class, __FUNCTION__], $dateValue, $adjustmentMonths);

src/PhpSpreadsheet/Calculation/DateTimeExcel/TimeValue.php

@@ -59,11 +59,8 @@ class TimeValue
         $PHPDateArray = Helpers::dateParse($timeValue);
         $retValue = ExcelError::VALUE();
         if (Helpers::dateParseSucceeded($PHPDateArray)) {
-            /** @var int $hour */
             $hour = $PHPDateArray['hour'];
-            /** @var int $minute */
             $minute = $PHPDateArray['minute'];
-            /** @var int $second */
             $second = $PHPDateArray['second'];
             // OpenOffice-specific code removed - it works just like Excel
             $excelDateValue = SharedDateHelper::formattedPHPToExcel(1900, 1, 1, $hour, $minute, $second) - 1;

src/PhpSpreadsheet/Calculation/Statistical/Distributions/GammaBase.php

@@ -17,8 +17,7 @@ abstract class GammaBase
 
     private const MAX_ITERATIONS = 256;
 
-    /** @return float|string */
-    protected static function calculateDistribution(float $value, float $a, float $b, bool $cumulative)
+    protected static function calculateDistribution(float $value, float $a, float $b, bool $cumulative): float
     {
         if ($cumulative) {
             return self::incompleteGamma($a, $value / $b) / self::gammaValue($a);