01:11:02 Enable Cell Caching using MemoryGZip method<br />01:11:02 Create new PHPExcel object<br />01:11:02 Set properties<br />01:11:02 Add data<br />01:11:02 Hide 'Phone' and 'fax' columns<br />01:11:02 Set outline levels<br />01:11:02 Freeze panes<br />01:11:02 Rows to repeat at top<br />01:11:03 Write to Excel2007 format<br />01:11:04 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.1555 seconds<br />01:11:04 Current memory usage: 24 MB<br />01:11:04 Peak memory usage: 28 MB<br />01:11:04 Done writing file<br />File has been created in /home/icitaqp/public_html/vendor/phpoffice/phpexcel/Examples<br />