06:39:50 Read SYLK format from /home/factovizjh/legitrack_test/vendor/phpoffice/phpspreadsheet/samples/templates/SylkTest.slk in 0.1557 seconds 06:39:50 Write Excel2007 format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0150 seconds 06:39:50 Write Excel5 format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0104 seconds 06:39:50 Peak memory usage: 2MB