18:17:37 Enable Cell Caching using MemoryGZip method<br />18:17:37 Create new PHPExcel object<br />18:17:37 Set properties<br />18:17:37 Add data<br />18:17:37 Hide 'Phone' and 'fax' columns<br />18:17:37 Set outline levels<br />18:17:37 Freeze panes<br />18:17:37 Rows to repeat at top<br />18:17:38 Write to Excel2007 format<br />18:17:40 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.4140 seconds<br />18:17:40 Current memory usage: 15.25 MB<br />18:17:40 Peak memory usage: 18 MB<br />18:17:40 Done writing file<br />File has been created in /home/abpwebfrnh/www/test/vendor/phpoffice/phpexcel/Examples<br />