18:29:16 Unable to set Cell Caching using SQLite3 method, reverting to memory<br />18:29:16 Create new PHPExcel object<br />18:29:16 Set properties<br />18:29:16 Add data<br />18:29:16 Hide 'Phone' and 'fax' columns<br />18:29:16 Set outline levels<br />18:29:16 Freeze panes<br />18:29:16 Rows to repeat at top<br />18:29:16 Write to Excel2007 format<br />18:29:16 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.3395 seconds<br />18:29:16 Current memory usage: 20 MB<br />18:29:16 Peak memory usage: 24 MB<br />18:29:16 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />