08:44:42 Create new PHPExcel object
08:44:42 Set document properties
08:44:42 Add some data

Notice: Trying to access array offset on value of type float in /var/www/html/API/class/PHPExcel-1.8/Classes/PHPExcel/Cell/DefaultValueBinder.php on line 82
08:44:42 Add comments
08:44:42 Add rich-text string
08:44:42 Merge cells
08:44:42 Protect cells
08:44:42 Set cell number formats
08:44:42 Set column widths
08:44:42 Set fonts
08:44:42 Set alignments
08:44:42 Set thin black border outline around column
08:44:42 Set thick brown border outline around Total
08:44:42 Set fills
08:44:42 Set style for header row using alternative method
08:44:42 Unprotect a cell
08:44:42 Add a hyperlink to an external website
08:44:42 Add a hyperlink to another cell on a different worksheet within the workbook
08:44:42 Add a drawing to the worksheet
08:44:42 Add a drawing to the worksheet
08:44:42 Add a drawing to the worksheet
08:44:42 Play around with inserting and removing rows and columns
08:44:42 Set header/footer
08:44:42 Set page orientation and size
08:44:42 Rename first worksheet
08:44:42 Create a second Worksheet object
08:44:42 Add some data
08:44:42 Set the worksheet tab color
08:44:42 Set alignments
08:44:42 Set column widths
08:44:42 Set fonts
08:44:42 Add a drawing to the worksheet
08:44:42 Set page orientation and size
08:44:42 Rename second worksheet
08:44:42 Write to CSV format

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Notice: Trying to access array offset on value of type null in /var/www/html/API/class/PHPExcel-1.8/Classes/PHPExcel/Calculation.php on line 3349
08:44:42 File written to 16csv.csv
Call time to write Workbook was 0.0019 seconds
08:44:42 Current memory usage: 2 MB
08:44:42 Read from CSV format
Call time to reload Workbook was 0.0004 seconds
08:44:42 Current memory usage: 2 MB
08:44:42 Write to Excel2007 format

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