10:17:55 Enable Cell Caching using MemoryGZip method<br />10:17:55 Create new PHPExcel object<br />10:17:55 Set properties<br />10:17:55 Add data<br />10:17:55 Hide 'Phone' and 'fax' columns<br />10:17:55 Set outline levels<br />10:17:55 Freeze panes<br />10:17:55 Rows to repeat at top<br />10:17:55 Write to Excel2007 format<br />10:17:56 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.2341 seconds<br />10:17:56 Current memory usage: 10 MB<br />10:17:56 Peak memory usage: 14 MB<br />10:17:56 Done writing file<br />File has been created in /var/www/html/fims-dev/vendor/phpoffice/phpexcel/Examples<br />