19:57:08 Read Slk format from /opt/bitnami/apache/htdocs/cdn/vendor/phpoffice/phpspreadsheet/samples/templates/SylkTest.slk in 0.0078 seconds 19:57:08 Write Xlsx format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0074 seconds 19:57:08 Write Xls format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0049 seconds 19:57:08 Peak memory usage: 2MB