22:59:52 Unable to set Cell Caching using SQLite method, reverting to memory<br />22:59:52 Create new PHPExcel object<br />22:59:52 Set properties<br />22:59:52 Add data<br />22:59:52 Hide 'Phone' and 'fax' columns<br />22:59:52 Set outline levels<br />22:59:52 Freeze panes<br />22:59:52 Rows to repeat at top<br />22:59:52 Write to Excel2007 format<br />22:59:52 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.4291 seconds<br />22:59:52 Current memory usage: 10 MB<br />22:59:52 Peak memory usage: 14 MB<br />22:59:52 Done writing file<br />File has been created in /var/www/mail_center/vendor/phpoffice/phpexcel/Examples<br />