01 Simple PCLZip

21:19:29 Create new Spreadsheet object
21:19:29 Set document properties
21:19:29 Add some data
21:19:29 Rename worksheet
21:19:29 Write to Excel2007 format
21:19:29 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple_PCLZip.xlsx in 0.0071 seconds
21:19:29 Peak memory usage: 4.25MB