03:34:55 Create new PHPExcel object<br />03:34:55 Set document properties<br />03:34:55 Set default font<br />03:34:55 Add some data<br />03:34:55 Rename worksheet<br />03:34:55 Write to Excel5 format<br />03:34:55 File written to 02types-xls.xls<br />03:34:55 File written to 02types-xls.xlsx<br />Call time to write Workbook was 0.0040 seconds<br />03:34:55 Current memory usage: 2.25 MB<br />03:34:55 Reload workbook from saved file<br />Call time to reload Workbook was 0.1662 seconds<br />03:34:55 Current memory usage: 2.5 MB<br />array(1) {
  [0]=>
  array(1) {
    [0]=>
    NULL
  }
}
03:34:55 Peak memory usage: 2.5 MB<br />03:34:55 Done testing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />