10:09:37 Enable Cell Caching using MemoryGZip method<br />10:09:37 Create new PHPExcel object<br />10:09:37 Set properties<br />10:09:37 Add data<br />10:09:37 Hide 'Phone' and 'fax' columns<br />10:09:37 Set outline levels<br />10:09:37 Freeze panes<br />10:09:37 Rows to repeat at top<br />10:09:37 Write to Excel2007 format<br />10:09:38 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.9723 seconds<br />10:09:38 Current memory usage: 16 MB<br />10:09:38 Peak memory usage: 22 MB<br />10:09:38 Done writing file<br />File has been created in /var/www/minirev/vendor/phpoffice/phpexcel/Examples<br />