11:28:11 Load from Excel2007 file<br />Call time to read Workbook was 0.0079 seconds<br />11:28:11 Current memory usage: 2 MB<br />11:28:11 Write to Excel2007 format<br />11:28:11 File written to 07reader.xlsx<br />Call time to write Workbook was 0.0086 seconds<br />11:28:11 Current memory usage: 2 MB<br />11:28:11 Peak memory usage: 2 MB<br />11:28:11 Done writing file<br />File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples<br />