14:01:46 Unable to set Cell Caching using SQLite3 method, reverting to memory<br />14:01:46 Create new PHPExcel object<br />14:01:46 Set properties<br />14:01:46 Add data<br />14:01:46 Hide 'Phone' and 'fax' columns<br />14:01:46 Set outline levels<br />14:01:46 Freeze panes<br />14:01:46 Rows to repeat at top<br />14:01:46 Write to Excel2007 format<br />14:01:46 File written to 06largescale-with-cellcaching-sqlite3.xlsx<br />Call time to write Workbook was 0.6095 seconds<br />14:01:46 Current memory usage: 30 MB<br />14:01:46 Peak memory usage: 33.25 MB<br />14:01:46 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />