01 Simple PCLZip

13:42:55 Create new Spreadsheet object
13:42:55 Set document properties
13:42:55 Add some data
13:42:55 Rename worksheet
13:42:55 Write to Excel2007 format
13:42:55 Write Excel2007 format to /tmp/phpspreadsheet/01_Simple_PCLZip.xlsx in 0.0126 seconds
13:42:56 Peak memory usage: 5.5MB