16:46:17 Create new PHPExcel object
16:46:17 Set document properties
16:46:17 Add some data
16:46:17 Add comments
16:46:17 Add rich-text string
16:46:17 Merge cells
16:46:17 Protect cells
16:46:17 Set cell number formats
16:46:17 Set column widths
16:46:17 Set fonts
16:46:17 Set alignments
16:46:17 Set thin black border outline around column
16:46:17 Set thick brown border outline around Total
16:46:17 Set fills
16:46:17 Set style for header row using alternative method
16:46:17 Unprotect a cell
16:46:17 Add a hyperlink to an external website
16:46:17 Add a hyperlink to another cell on a different worksheet within the workbook
16:46:17 Add a drawing to the worksheet
16:46:17 Add a drawing to the worksheet
16:46:17 Add a drawing to the worksheet
16:46:17 Play around with inserting and removing rows and columns
16:46:17 Set header/footer
16:46:17 Set page orientation and size
16:46:17 Rename first worksheet
16:46:17 Create a second Worksheet object
16:46:17 Add some data
16:46:17 Set the worksheet tab color
16:46:17 Set alignments
16:46:17 Set column widths
16:46:17 Set fonts
16:46:17 Add a drawing to the worksheet
16:46:17 Set page orientation and size
16:46:17 Rename second worksheet
16:46:17 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(46292, 'd-mmm-yy')
#3 /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php(2502): PHPExcel_Style_NumberFormat::toFormattedString(46292, '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