02:28:49 Create new PHPExcel object
02:28:49 Set document properties
02:28:49 Add some data
02:28:49 Add comments
02:28:49 Add rich-text string
02:28:49 Merge cells
02:28:49 Protect cells
02:28:49 Set cell number formats
02:28:49 Set column widths
02:28:49 Set fonts
02:28:49 Set alignments
02:28:49 Set thin black border outline around column
02:28:49 Set thick brown border outline around Total
02:28:49 Set fills
02:28:49 Set style for header row using alternative method
02:28:49 Unprotect a cell
02:28:49 Add a hyperlink to an external website
02:28:49 Add a hyperlink to another cell on a different worksheet within the workbook
02:28:49 Add a drawing to the worksheet
02:28:49 Add a drawing to the worksheet
02:28:49 Add a drawing to the worksheet
02:28:49 Play around with inserting and removing rows and columns
02:28:49 Set header/footer
02:28:49 Set page orientation and size
02:28:49 Rename first worksheet
02:28:49 Create a second Worksheet object
02:28:49 Add some data
02:28:49 Set the worksheet tab color
02:28:49 Set alignments
02:28:49 Set column widths
02:28:49 Set fonts
02:28:49 Add a drawing to the worksheet
02:28:49 Set page orientation and size
02:28:49 Rename second worksheet
02:28:49 Write to CSV format

Fatal error: Uncaught Error: Call to undefined function mb_strtolower() in /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php:448 Stack trace: #0 [internal function]: PHPExcel_Style_NumberFormat::setLowercaseCallback(Array) #1 /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php(464): preg_replace_callback('/(?:^|")([^"]*)...', Array, 'd-mmm-yy') #2 /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php(647): PHPExcel_Style_NumberFormat::formatAsDate(46283, 'd-mmm-yy') #3 /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php(2502): PHPExcel_Style_NumberFormat::toFormattedString(46283, 'd-mmm-yy') #4 /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php(142): PHPExcel_Worksheet->rangeToArray('A1:E1', '', true) #5 /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Examples/16csv.php(50): PHPExcel_Writer_CSV->save(' in /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php on line 448