21:02:03 Create new PHPExcel object<br />21:02:03 Set properties<br />21:02:03 Add data<br />21:02:03 Hide 'Phone' and 'fax' columns<br />21:02:03 Set outline levels<br />21:02:03 Freeze panes<br />21:02:03 Rows to repeat at top<br />21:02:03 Write to Excel2007 format<br />21:02:04 File written to 06largescale.xlsx<br />Call time to write Workbook was 0.4123 seconds<br />21:02:04 Current memory usage: 20 MB<br />21:02:04 Peak memory usage: 24 MB<br />21:02:04 Done writing file<br />File has been created in /home/sorianoariza/appssori/proyectos-laravel/tlmk_surveys/vendor/phpoffice/phpexcel/Examples<br />