00:37:24 Read SYLK format from /home/factovizjh/legitrack_test/vendor/phpoffice/phpspreadsheet/samples/templates/SylkTest.slk in 0.0456 seconds 00:37:24 Write Excel2007 format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0073 seconds 00:37:24 Write Excel5 format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0101 seconds 00:37:24 Peak memory usage: 6.5MB