01:24:22 Read Slk format from /var/www/erp/spreadsheet/samples/templates/SylkTest.slk in 0.0078 seconds 01:24:22 Write Xlsx format to /tmp/phpspreadsheet/20_Read_Sylk.xlsx in 0.0079 seconds 01:24:22 Write Xls format to /tmp/phpspreadsheet/20_Read_Sylk.xls in 0.0060 seconds 01:24:22 Peak memory usage: 2MB