00:32:51 Enable Cell Caching using MemoryGZip method<br />00:32:51 Create new PHPExcel object<br />00:32:51 Set properties<br />00:32:51 Add data<br />00:32:51 Hide 'Phone' and 'fax' columns<br />00:32:51 Set outline levels<br />00:32:51 Freeze panes<br />00:32:51 Rows to repeat at top<br />00:32:52 Write to Excel2007 format<br />00:32:54 File written to 06largescale-with-cellcaching.xlsx<br />Call time to write Workbook was 1.5121 seconds<br />00:32:54 Current memory usage: 24 MB<br />00:32:54 Peak memory usage: 28 MB<br />00:32:54 Done writing file<br />File has been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />