10:58:06 Unable to set Cell Caching using SQLite3 method, reverting to memory<br />10:58:06 Create new PHPExcel object<br />10:58:06 Set properties<br />10:58:06 Add data<br />10:58:06 Hide 'Phone' and 'fax' columns<br />10:58:06 Set outline levels<br />10:58:06 Freeze panes<br />10:58:06 Rows to repeat at top<br />10:58:08 Write to Excel2007 format<br />10:58:11 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 2.7930 seconds<br />10:58:11 Current memory usage: 24.5 MB<br />10:58:11 Peak memory usage: 28.25 MB<br />10:58:11 Done writing file<br />File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples<br />