17:05:41 Create new PHPExcel object<br />17:05:41 Set document properties<br />17:05:41 Add some data<br />17:05:41 Rename worksheet<br />17:05:41 Set cell protection<br />17:05:41 Set sheet security<br />17:05:41 Write to Excel2007 format<br />17:05:41 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0152 seconds<br />17:05:41 Current memory usage: 6 MB<br />17:05:41 Peak memory usage: 6 MB<br />17:05:41 Done writing file<br />File has been created in /var/www/chart_maker/vendor/phpoffice/phpexcel/Examples<br />