Merge branch 'master' of github.com:box/spout into add-phpstan

 Conflicts:

	.travis.yml

	CONTRIBUTING.md

	composer.json

	src/Spout/Common/Entity/Cell.php

	tests/Spout/Writer/ODS/WriterTest.php

src/Spout/Reader/Common/Manager/RowManager.php

@@ -56,12 +56,25 @@ class RowManager
         $rowCells = $row->getCells();
         $maxCellIndex = $numCells;
 
+        // If the row has empty cells, calling "setCellAtIndex" will add the cell
+        // but in the wrong place (the new cell is added at the end of the array).
+        // Therefore, we need to sort the array using keys to have proper order.
+        // @see https://github.com/box/spout/issues/740
+        $needsSorting = false;
+
         for ($cellIndex = 0; $cellIndex < $maxCellIndex; $cellIndex++) {
             if (!isset($rowCells[$cellIndex])) {
                 $row->setCellAtIndex($this->entityFactory->createCell(''), $cellIndex);
+                $needsSorting = true;
             }
         }
 
+        if ($needsSorting) {
+            $rowCells = $row->getCells();
+            ksort($rowCells);
+            $row->setCells($rowCells);
+        }
+
         return $row;
     }
 }