16:23:03 Unable to set Cell Caching using SQLite3 method, reverting to memory<br />16:23:03 Create new PHPExcel object<br />16:23:03 Set properties<br />16:23:03 Add data<br />16:23:03 Hide 'Phone' and 'fax' columns<br />16:23:03 Set outline levels<br />16:23:03 Freeze panes<br />16:23:03 Rows to repeat at top<br />16:23:03 Write to Excel2007 format<br />16:23:04 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.8132 seconds<br />16:23:04 Current memory usage: 30.5 MB<br />16:23:04 Peak memory usage: 33.25 MB<br />16:23:04 Done writing file<br />File has been created in /var/www/html/laravel/vendor/phpoffice/phpexcel/Examples<br />