23:11:16 Load from Excel2007 file<br />Call time to read Workbook was 0.0142 seconds<br />23:11:16 Current memory usage: 2 MB<br />23:11:16 Write to Excel2007 format<br />23:11:16 File written to 07reader.xlsx<br />Call time to write Workbook was 0.0073 seconds<br />23:11:16 Current memory usage: 2 MB<br />23:11:16 Peak memory usage: 2 MB<br />23:11:16 Done writing file<br />File has been created in /var/www/yii2/vendor/phpoffice/phpexcel/Examples<br />