23:44:16 Enable Cell Caching using MemoryGZip method<br />23:44:16 Create new PHPExcel object<br />23:44:16 Set properties<br />23:44:16 Add data<br />23:44:16 Hide 'Phone' and 'fax' columns<br />23:44:16 Set outline levels<br />23:44:16 Freeze panes<br />23:44:16 Rows to repeat at top<br />23:44:18 Write to Excel2007 format<br />23:44:22 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 3.8708 seconds<br />23:44:22 Current memory usage: 27.75 MB<br />23:44:22 Peak memory usage: 31 MB<br />23:44:22 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />