05:59:56 Read Slk format from /var/www/erp/spreadsheet/samples/templates/SylkTest.slk in 0.0094 seconds 05:59:56 Write Xlsx format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0081 seconds 05:59:56 Write Xls format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0061 seconds 05:59:56 Peak memory usage: 2MB