12:22:05 Enable Cell Caching using MemoryGZip method<br />12:22:05 Create new PHPExcel object<br />12:22:05 Set properties<br />12:22:05 Add data<br />12:22:05 Hide 'Phone' and 'fax' columns<br />12:22:05 Set outline levels<br />12:22:05 Freeze panes<br />12:22:05 Rows to repeat at top<br />12:22:05 Write to Excel2007 format<br />12:22:06 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 0.6891 seconds<br />12:22:06 Current memory usage: 24 MB<br />12:22:06 Peak memory usage: 28 MB<br />12:22:06 Done writing file<br />File has been created in /var/www/html/elite-opol/vendor/phpoffice/phpexcel/Examples<br />