12:35:18 Read Slk format from /var/www/x-libs/spreadsheet/samples/templates/SylkTest.slk in 0.0049 seconds 12:35:18 Write Xlsx format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0032 seconds 12:35:18 Write Xls format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0019 seconds 12:35:18 Peak memory usage: 2MB