11:37:22 Enable Cell Caching using MemoryGZip method<br />11:37:22 Create new PHPExcel object<br />11:37:22 Set properties<br />11:37:22 Add data<br />11:37:22 Hide 'Phone' and 'fax' columns<br />11:37:22 Set outline levels<br />11:37:22 Freeze panes<br />11:37:22 Rows to repeat at top<br />11:37:25 Write to Excel2007 format<br />11:37:29 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 4.3484 seconds<br />11:37:29 Current memory usage: 23.25 MB<br />11:37:29 Peak memory usage: 26.75 MB<br />11:37:29 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />