12:07:08 Unable to set Cell Caching using SQLite3 method, reverting to memory<br />12:07:08 Create new PHPExcel object<br />12:07:08 Set properties<br />12:07:08 Add data<br />12:07:08 Hide 'Phone' and 'fax' columns<br />12:07:08 Set outline levels<br />12:07:08 Freeze panes<br />12:07:08 Rows to repeat at top<br />12:07:08 Write to Excel2007 format<br />12:07:08 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.6477 seconds<br />12:07:08 Current memory usage: 18 MB<br />12:07:08 Peak memory usage: 22 MB<br />12:07:08 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />