12:00:51 Create new PHPExcel object<br />12:00:51 Set document properties<br />12:00:51 Add some data<br />12:00:51 Rename worksheet<br />12:00:51 Set document security<br />12:00:51 Set sheet security<br />12:00:51 Write to Excel2007 format<br />12:00:51 File written to 11documentsecurity.xlsx<br />Call time to write Workbook was 0.0215 seconds<br />12:00:51 Current memory usage: 6 MB<br />12:00:51 Peak memory usage: 6 MB<br />12:00:51 Done writing file<br />File has been created in /var/www/dolphin/vendor/phpoffice/phpexcel/Examples<br />