12:23:27 Create new PHPExcel object<br />12:23:27 Set document properties<br />12:23:27 Add some data<br />12:23:27 Rename worksheet<br />12:23:27 Set cell protection<br />12:23:27 Set sheet security<br />12:23:27 Write to Excel2007 format<br />12:23:27 File written to 12cellProtection.xlsx<br />Call time to write Workbook was 0.0045 seconds<br />12:23:27 Current memory usage: 2 MB<br />12:23:27 Peak memory usage: 2 MB<br />12:23:27 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />