15:14:18 Enable Cell Caching using MemoryGZip method
15:14:18 Create new PHPExcel object
15:14:18 Set properties
15:14:18 Add data
15:14:18 Hide 'Phone' and 'fax' columns
15:14:18 Set outline levels
15:14:18 Freeze panes
15:14:18 Rows to repeat at top
15:14:21 Write to Excel2007 format

Fatal error: Class 'ZipArchive' not found in C:\wamp\www\classes\PHPExcel\Writer\Excel2007.php on line 227