18:29:14 Unable to set Cell Caching using SQLite method, reverting to memory<br />18:29:14 Create new PHPExcel object<br />18:29:14 Set properties<br />18:29:14 Add data<br />18:29:14 Hide 'Phone' and 'fax' columns<br />18:29:14 Set outline levels<br />18:29:14 Freeze panes<br />18:29:14 Rows to repeat at top<br />18:29:14 Write to Excel2007 format<br />18:29:14 File written to 06largescale-with-cellcaching-sqlite.xlsx<br />Call time to write Workbook was 0.2212 seconds<br />18:29:14 Current memory usage: 20 MB<br />18:29:14 Peak memory usage: 22 MB<br />18:29:14 Done writing file<br />File has been created in /home/hycmvsgn/heal.co.ke/invoices/vendor/phpoffice/phpexcel/Examples<br />