15:16:52 Create new PHPExcel object
15:16:52 Set document properties
15:16:52 Add some data
15:16:52 Set header/footer
15:16:52 Add a drawing to the header
15:16:52 Set page orientation and size
15:16:52 Rename worksheet
15:16:52 Write to Excel2007 format

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/html/PHPExcel/Examples/04printing.xlsx.' in /var/www/html/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php:389 Stack trace: #0 /var/www/html/PHPExcel/Examples/04printing.php(95): PHPExcel_Writer_Excel2007->save('/var/www/html/P...') #1 {main} thrown in /var/www/html/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php on line 389