18:53:14 Create new PHPExcel object<br />18:53:14 Set document properties<br />18:53:14 Add some data<br />18:53:14 Rename worksheet<br />18:53:14 Set cell protection<br />18:53:14 Set sheet security<br />18:53:14 Write to Excel2007 format<br />18:53:14 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0101 seconds<br />18:53:14 Current memory usage: 4 MB<br />18:53:14 Peak memory usage: 4 MB<br />18:53:14 Done writing file<br />File has been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />