12:10:56 Create new PHPExcel object
12:10:56 Set document properties
12:10:56 Add some data
12:10:56 Add comments
12:10:56 Add rich-text string
12:10:56 Merge cells
12:10:56 Protect cells
12:10:56 Set cell number formats
12:10:56 Set column widths
12:10:56 Set fonts
12:10:56 Set alignments
12:10:56 Set thin black border outline around column
12:10:56 Set thick brown border outline around Total
12:10:56 Set fills
12:10:56 Set style for header row using alternative method
12:10:56 Unprotect a cell
12:10:56 Add a hyperlink to an external website
12:10:56 Add a hyperlink to another cell on a different worksheet within the workbook
12:10:56 Add a drawing to the worksheet
12:10:56 Add a drawing to the worksheet
12:10:56 Add a drawing to the worksheet
12:10:56 Play around with inserting and removing rows and columns
12:10:56 Set header/footer
12:10:56 Set page orientation and size
12:10:56 Rename first worksheet
12:10:56 Create a second Worksheet object
12:10:56 Add some data
12:10:56 Set the worksheet tab color
12:10:56 Set alignments
12:10:56 Set column widths
12:10:56 Set fonts
12:10:56 Add a drawing to the worksheet
12:10:56 Set page orientation and size
12:10:56 Rename second worksheet
12:10:56 Write to CSV format
12:10:56 File written to 16csv.csv
Call time to write Workbook was 0.0043 seconds
12:10:56 Current memory usage: 4 MB
12:10:56 Read from CSV format
Call time to reload Workbook was 0.0014 seconds
12:10:56 Current memory usage: 4 MB
12:10:56 Write to Excel2007 format
12:10:56 File written to 16csv.xlsx
Call time to write Workbook was 0.0068 seconds
12:10:56 Current memory usage: 4 MB
12:10:56 Write to CSV format
12:10:56 File written to 16csv_excel.csv
Call time to write Workbook was 0.0003 seconds
12:10:56 Current memory usage: 4 MB
12:10:56 Peak memory usage: 4 MB
12:10:56 Done writing files
Files have been created in /var/www/html/examcontroller-web/vendor/phpoffice/phpexcel/Examples