22:30:00 Enable Cell Caching using MemoryGZip method
22:30:00 Create new PHPExcel object
22:30:00 Set properties
22:30:00 Add data
22:30:00 Hide 'Phone' and 'fax' columns
22:30:00 Set outline levels
22:30:00 Freeze panes
22:30:00 Rows to repeat at top
22:30:01 Write to Excel2007 format
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