19:20:58 Load from Excel2007 file<br />Call time to read Workbook was 0.0207 seconds<br />19:20:58 Current memory usage: 2 MB<br />19:20:58 Write to Excel2007 format<br />19:20:58 File written to 07reader.xlsx<br />Call time to write Workbook was 0.0074 seconds<br />19:20:58 Current memory usage: 2.25 MB<br />19:20:58 Peak memory usage: 2.25 MB<br />19:20:58 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />