09:47:46 Enable Cell Caching using MemoryGZip method<br />09:47:46 Create new PHPExcel object<br />09:47:46 Set properties<br />09:47:46 Add data<br />09:47:46 Hide 'Phone' and 'fax' columns<br />09:47:46 Set outline levels<br />09:47:46 Freeze panes<br />09:47:46 Rows to repeat at top<br />09:47:47 Write to Excel2007 format<br />09:47:49 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 2.1654 seconds<br />09:47:49 Current memory usage: 20 MB<br />09:47:49 Peak memory usage: 26 MB<br />09:47:49 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />