19:12:59 Read Slk format from /opt/bitnami/apache/htdocs/cdn/vendor/phpoffice/phpspreadsheet/samples/templates/SylkTest.slk in 0.0077 seconds 19:12:59 Write Xlsx format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0073 seconds 19:12:59 Write Xls format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0048 seconds 19:12:59 Peak memory usage: 2MB