19:19:37 Load from OOCalc file Call time to read Workbook was 0.0728 seconds 19:19:37 Current memory usage: 3.75 MB 19:19:37 Write to Excel2007 format 19:19:37 File written to /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples/OOCalcReader.xlsx 19:19:37 Peak memory usage: 5.5 MB 19:19:37 Done writing file