18:57:37 Unable to set Cell Caching using SQLite method, reverting to memory<br />18:57:37 Create new PHPExcel object<br />18:57:38 Set properties<br />18:57:38 Add data<br />18:57:38 Hide 'Phone' and 'fax' columns<br />18:57:38 Set outline levels<br />18:57:38 Freeze panes<br />18:57:38 Rows to repeat at top<br />18:57:38 Write to Excel2007 format<br />18:57:38 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.5609 seconds<br />18:57:38 Current memory usage: 8 MB<br />18:57:38 Peak memory usage: 12 MB<br />18:57:38 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />