fix #1114 issue (#2308)

* fix #1114 issues

* fixed code style

* update for all version

* add test for bag 1114

* remove comment

Co-authored-by: georgio <georgiokot@gmail.cim>

src/PhpSpreadsheet/Reader/Xls.php

@@ -3749,12 +3749,10 @@ class Xls extends BaseReader
                         } else {
                             $textRun = $richText->createTextRun($text);
                             if (isset($fmtRuns[$i - 1])) {
-                                if ($fmtRuns[$i - 1]['fontIndex'] < 4) {
-                                    $fontIndex = $fmtRuns[$i - 1]['fontIndex'];
-                                } else {
-                                    // this has to do with that index 4 is omitted in all BIFF versions for some strange reason
-                                    // check the OpenOffice documentation of the FONT record
-                                    $fontIndex = $fmtRuns[$i - 1]['fontIndex'] - 1;
+                                $fontIndex = $fmtRuns[$i - 1]['fontIndex'];
+
+                                if (array_key_exists($fontIndex, $this->objFonts) === false) {
+                                    $fontIndex = count($this->objFonts) - 1;
                                 }
                                 $textRun->setFont(clone $this->objFonts[$fontIndex]);
                             }

tests/PhpSpreadsheetTests/Reader/Xls/XlsTest.php

@@ -121,4 +121,13 @@ class XlsTest extends AbstractFunctional
         self::assertSame('Ładowność', $sheet->getCell('I1')->getValue());
         $spreadsheet->disconnectWorksheets();
     }
+
+    public function testLoadXlsBug1114(): void
+    {
+        $filename = 'tests/data/Reader/XLS/bug1114.xls';
+        $spreadsheet = \PhpOffice\PhpSpreadsheet\IOFactory::load($filename);
+        $sheet = $spreadsheet->getActiveSheet();
+        self::assertSame(1148140800.0, $sheet->getCell('B2')->getValue());
+        $spreadsheet->disconnectWorksheets();
+    }
 }