19:01:36 Create new PHPExcel object<br />19:01:36 Set document properties<br />19:01:36 Add some data<br />19:01:36 Rename worksheet<br />19:01:36 Set cell protection<br />19:01:36 Set sheet security<br />19:01:36 Write to Excel2007 format<br />19:01:36 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0018 seconds<br />19:01:36 Current memory usage: 2 MB<br />19:01:36 Peak memory usage: 2 MB<br />19:01:36 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />