10:20:56 Enable Cell Caching using MemoryGZip method<br />10:20:56 Create new PHPExcel object<br />10:20:56 Set properties<br />10:20:56 Add data<br />10:20:56 Hide 'Phone' and 'fax' columns<br />10:20:56 Set outline levels<br />10:20:56 Freeze panes<br />10:20:56 Rows to repeat at top<br />10:20:59 Write to Excel2007 format<br />10:21:00 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.2732 seconds<br />10:21:00 Current memory usage: 22 MB<br />10:21:00 Peak memory usage: 26 MB<br />10:21:00 Done writing file<br />File has been created in /home/imevent/public_html/backup/vendor/phpoffice/phpexcel/Examples<br />