18:06:31 Read SYLK format from /home/factovizjh/legitrack_test/vendor/phpoffice/phpspreadsheet/samples/templates/SylkTest.slk in 0.0222 seconds 18:06:31 Write Excel2007 format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0083 seconds 18:06:31 Write Excel5 format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0101 seconds 18:06:31 Peak memory usage: 6.5MB