Merge 51434243ac903deff521cc621f354e6d52bbcb4e into 9533accd73edc020072bc7a4f0c0ddb28a5b701f

.travis.yml

@@ -58,4 +58,4 @@ after_script:
     if [[ "$WITH_COVERAGE" == "true" ]]; then
       wget https://scrutinizer-ci.com/ocular.phar
       php ocular.phar code-coverage:upload --format=php-clover build/logs/coverage.clover
-    fi
+    fi 

src/Spout/Writer/Common/Entity/Sheet.php

@@ -27,6 +27,9 @@ class Sheet
     /** @var SheetManager Sheet manager */
     private $sheetManager;
 
+    /** @var merge cell */
+    private $mergeRanges;
+
     /**
      * @param int $sheetIndex Index of the sheet, based on order in the workbook (zero-based)
      * @param string $associatedWorkbookId ID of the sheet's associated workbook
@@ -108,4 +111,21 @@ class Sheet
 
         return $this;
     }
+
+    /**
+     * @return merge
+     */
+    public function getMergeRanges()
+    {
+        return $this->mergeRanges;
+    }
+
+    /**
+     * @param $mergeRanges
+     * @return mixed
+     */
+    public function setMergeRanges($mergeRanges)
+    {
+        return $this->mergeRanges = $mergeRanges;
+    }
 }

src/Spout/Writer/XLSX/Manager/WorksheetManager.php

@@ -294,6 +294,17 @@ EOD;
         }
 
         \fwrite($worksheetFilePointer, '</sheetData>');
+        // do something to merging cells
+        $mergeRanges = $worksheet->getExternalSheet()->getMergeRanges();
+        if (!empty($mergeRanges)) {
+            $startLine = '<mergeCells count="1">';
+            $rangeLine = '';
+            foreach ($mergeRanges as $key => $range) {
+                $rangeLine .= '<mergeCell ref="' . $range . '"/>';
+            }
+            $endLine = '</mergeCells>';
+            \fwrite($worksheetFilePointer, $startLine . $rangeLine . $endLine);
+        }
         \fwrite($worksheetFilePointer, '</worksheet>');
         \fclose($worksheetFilePointer);
     }