19:19:02 Create new PHPExcel object<br />19:19:02 Set document properties<br />19:19:02 Add some data<br />19:19:02 Rename worksheet<br />19:19:02 Set document security<br />19:19:02 Set sheet security<br />19:19:02 Write to Excel2007 format<br />19:19:02 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0018 seconds<br />19:19:02 Current memory usage: 1.75 MB<br />19:19:02 Peak memory usage: 1.75 MB<br />19:19:02 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />