13:31:18 Unable to set Cell Caching using SQLite method, reverting to memory<br />13:31:18 Create new PHPExcel object<br />13:31:18 Set properties<br />13:31:18 Add data<br />13:31:18 Hide 'Phone' and 'fax' columns<br />13:31:18 Set outline levels<br />13:31:18 Freeze panes<br />13:31:18 Rows to repeat at top<br />13:31:18 Write to Excel2007 format<br />13:31:19 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.3444 seconds<br />13:31:19 Current memory usage: 18 MB<br />13:31:19 Peak memory usage: 22 MB<br />13:31:19 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />