03:48:45 Create new PHPExcel object
03:48:46 Set document properties
03:48:46 Add some data
03:48:46 Add comments
03:48:46 Add rich-text string
03:48:46 Merge cells
03:48:46 Protect cells
03:48:46 Set cell number formats
03:48:46 Set column widths
03:48:46 Set fonts
03:48:46 Set alignments
03:48:46 Set thin black border outline around column
03:48:46 Set thick brown border outline around Total
03:48:46 Set fills
03:48:46 Set style for header row using alternative method
03:48:46 Unprotect a cell
03:48:46 Add a hyperlink to an external website
03:48:46 Add a hyperlink to another cell on a different worksheet within the workbook
03:48:46 Add a drawing to the worksheet
03:48:46 Add a drawing to the worksheet
03:48:46 Add a drawing to the worksheet
03:48:46 Play around with inserting and removing rows and columns
03:48:46 Set header/footer
03:48:46 Set page orientation and size
03:48:46 Rename first worksheet
03:48:46 Create a second Worksheet object
03:48:46 Add some data
03:48:46 Set the worksheet tab color
03:48:46 Set alignments
03:48:46 Set column widths
03:48:46 Set fonts
03:48:46 Add a drawing to the worksheet
03:48:46 Set page orientation and size
03:48:46 Rename second worksheet
03:48:46 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(46282, 'd-mmm-yy')
#3 /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php(2502): PHPExcel_Style_NumberFormat::toFormattedString(46282, '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