Check for existing xf index in mapping array before accessing it

PHPOffice · Nov 17, 2019 · 3fc2fa4 · 3fc2fa4
1 parent b636c56
commit 3fc2fa4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/PhpSpreadsheet/Reader/Xls.php b/src/PhpSpreadsheet/Reader/Xls.php
@@ -3825,7 +3825,7 @@ private function readLabelSst()
                 }
             }
 
-            if (!$this->readDataOnly && !$emptyCell) {
+            if (!$this->readDataOnly && !$emptyCell && isset($this->mapCellXfIndex[$xfIndex])) {
                 // add style information
                 $cell->setXfIndex($this->mapCellXfIndex[$xfIndex]);
             }