Fix code style

src/Spout/Writer/Common/Helper/CellHelper.php

@@ -5,8 +5,6 @@ namespace Box\Spout\Writer\Common\Helper;
 /**
  * Class CellHelper
  * This class provides helper functions when working with cells
- *
- * @package Box\Spout\Writer\Common\Helper
  */
 class CellHelper
 {
@@ -36,8 +34,7 @@ class CellHelper
                 $cellIndex = chr($capitalAAsciiValue + $modulus) . $cellIndex;
 
                 // substracting 1 because it's zero-based
-                $columnIndex = intval($columnIndex / 26) - 1;
-
+                $columnIndex = (int) ($columnIndex / 26) - 1;
             } while ($columnIndex >= 0);
 
             self::$columnIndexToCellIndexCache[$originalColumnIndex] = $cellIndex;
@@ -74,6 +71,7 @@ class CellHelper
     public static function isNumeric($value)
     {
         $valueType = gettype($value);
+
         return ($valueType === 'integer' || $valueType === 'double');
     }
 

src/Spout/Writer/Common/Helper/FileSystemWithRootFolderHelperInterface.php

@@ -2,22 +2,20 @@
 
 namespace Box\Spout\Writer\Common\Helper;
 
-use \Box\Spout\Common\Helper\FileSystemHelperInterface;
+use Box\Spout\Common\Helper\FileSystemHelperInterface;
 
 /**
  * Class FileSystemHelperInterface
  * This interface describes helper functions to help with the file system operations
  * like files/folders creation & deletion
- *
- * @package Box\Spout\Writer\Common\Helper
  */
 interface FileSystemWithRootFolderHelperInterface extends FileSystemHelperInterface
 {
     /**
      * Creates all the folders needed to create a spreadsheet, as well as the files that won't change.
      *
-     * @return void
      * @throws \Box\Spout\Common\Exception\IOException If unable to create at least one of the base folders
+     * @return void
      */
     public function createBaseFilesAndFolders();
 

src/Spout/Writer/Common/Helper/ZipHelper.php

@@ -7,8 +7,6 @@ use Box\Spout\Writer\Common\Creator\EntityFactory;
 /**
  * Class ZipHelper
  * This class provides helper functions to create zip files
- *
- * @package Box\Spout\Writer\Common\Helper
  */
 class ZipHelper
 {
@@ -40,7 +38,7 @@ class ZipHelper
         $zip = $this->entityFactory->createZipArchive();
         $zipFilePath = $tmpFolderPath . self::ZIP_EXTENSION;
 
-        $zip->open($zipFilePath, \ZipArchive::CREATE|\ZipArchive::OVERWRITE);
+        $zip->open($zipFilePath, \ZipArchive::CREATE | \ZipArchive::OVERWRITE);
 
         return $zip;
     }
@@ -184,6 +182,7 @@ class ZipHelper
     protected function getNormalizedRealPath($path)
     {
         $realPath = realpath($path);
+
         return str_replace(DIRECTORY_SEPARATOR, '/', $realPath);
     }