13:45:49 Read Slk format from /opt/www/pxe/vendor/phpoffice/phpspreadsheet/samples/Basic/../templates/SylkTest.slk in 0.0319 seconds 13:45:49 Write Xlsx format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0145 seconds 13:45:49 Write Xls format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0161 seconds 13:45:49 Peak memory usage: 2MB