18:14:15 Load from OOCalc file Call time to read Workbook was 0.1062 seconds 18:14:15 Current memory usage: 4.25 MB 18:14:15 Write to Excel2007 format 18:14:15 File written to /home/glink/haiphams3.glinkdeployments.com/exam-chat/vendor/phpoffice/phpexcel/Examples/OOCalcReaderPCLZip.xlsx 18:14:15 Peak memory usage: 6.75 MB 18:14:15 Done writing file