16:31:30 Create new PHPExcel object
16:31:30 Set document properties
16:31:30 Add some data
16:31:30 Add comments
16:31:30 Add rich-text string
16:31:30 Merge cells
16:31:30 Protect cells
16:31:30 Set cell number formats
16:31:30 Set column widths
16:31:30 Set fonts
16:31:30 Set alignments
16:31:30 Set thin black border outline around column
16:31:30 Set thick brown border outline around Total
16:31:30 Set fills
16:31:30 Set style for header row using alternative method
16:31:31 Unprotect a cell
16:31:31 Add a hyperlink to an external website
16:31:31 Add a hyperlink to another cell on a different worksheet within the workbook
16:31:31 Add a drawing to the worksheet
16:31:31 Add a drawing to the worksheet
16:31:31 Add a drawing to the worksheet
16:31:31 Play around with inserting and removing rows and columns
16:31:31 Set header/footer
16:31:31 Set page orientation and size
16:31:31 Rename first worksheet
16:31:31 Create a second Worksheet object
16:31:31 Add some data
16:31:31 Set the worksheet tab color
16:31:31 Set alignments
16:31:31 Set column widths
16:31:31 Set fonts
16:31:31 Add a drawing to the worksheet
16:31:31 Set page orientation and size
16:31:31 Rename second worksheet
16:31:31 Write to CSV format

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Fatal error: Uncaught PHPExcel_Writer_Exception: Could not open file /home/zxun/public_html/module7/vendor/phpoffice/phpexcel/Examples/16csv.csv for writing. in /home/zxun/public_html/module7/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php:116 Stack trace: #0 /home/zxun/public_html/module7/vendor/phpoffice/phpexcel/Examples/16csv.php(50): PHPExcel_Writer_CSV->save('/home/zxun/publ...') #1 {main} thrown in /home/zxun/public_html/module7/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php on line 116