12:40:18 Read Slk format from /opt/bitnami/apache/htdocs/cdn/vendor/phpoffice/phpspreadsheet/samples/templates/SylkTest.slk in 0.0076 seconds 12:40:18 Write Xlsx format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0073 seconds 12:40:18 Write Xls format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0049 seconds 12:40:18 Peak memory usage: 2MB