18:33:00 Enable Cell Caching using MemoryGZip method<br />18:33:00 Create new PHPExcel object<br />18:33:00 Set properties<br />18:33:00 Add data<br />18:33:00 Hide 'Phone' and 'fax' columns<br />18:33:00 Set outline levels<br />18:33:00 Freeze panes<br />18:33:00 Rows to repeat at top<br />18:33:01 Write to Excel2007 format<br />18:33:05 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.3475 seconds<br />18:33:05 Current memory usage: 22 MB<br />18:33:05 Peak memory usage: 26 MB<br />18:33:05 Done writing file<br />File has been created in /home/imevent/public_html/vendor/phpoffice/phpexcel/Examples<br />