04:21:51 Read Slk format from /opt/bitnami/apache/htdocs/cdn/vendor/phpoffice/phpspreadsheet/samples/templates/SylkTest.slk in 0.0079 seconds 04:21:51 Write Xlsx format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0075 seconds 04:21:51 Write Xls format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0063 seconds 04:21:51 Peak memory usage: 2MB