12:17:01 Enable Cell Caching using MemoryGZip method<br />12:17:01 Create new PHPExcel object<br />12:17:01 Set properties<br />12:17:01 Add data<br />12:17:01 Hide 'Phone' and 'fax' columns<br />12:17:01 Set outline levels<br />12:17:01 Freeze panes<br />12:17:01 Rows to repeat at top<br />12:17:02 Write to Excel2007 format<br />12:17:03 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.3343 seconds<br />12:17:03 Current memory usage: 24 MB<br />12:17:03 Peak memory usage: 28 MB<br />12:17:03 Done writing file<br />File has been created in /var/www/html/fims-dev/ims/vendor/phpoffice/phpexcel/Examples<br />