18:55:38 Enable Cell Caching using MemoryGZip method<br />18:55:38 Create new PHPExcel object<br />18:55:38 Set properties<br />18:55:38 Add data<br />18:55:38 Hide 'Phone' and 'fax' columns<br />18:55:38 Set outline levels<br />18:55:38 Freeze panes<br />18:55:38 Rows to repeat at top<br />18:55:39 Write to Excel2007 format<br />18:55:40 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.6254 seconds<br />18:55:40 Current memory usage: 20 MB<br />18:55:40 Peak memory usage: 26 MB<br />18:55:40 Done writing file<br />File has been created in /var/www/html/toq/server/vendor/phpoffice/phpexcel/Examples<br />