05:43:55 Create new PHPExcel object
05:43:55 Set document properties
05:43:55 Add some data
05:43:55 Add comments
05:43:55 Add rich-text string
05:43:55 Merge cells
05:43:55 Protect cells
05:43:55 Set cell number formats
05:43:55 Set column widths
05:43:55 Set fonts
05:43:55 Set alignments
05:43:55 Set thin black border outline around column
05:43:55 Set thick brown border outline around Total
05:43:55 Set fills
05:43:55 Set style for header row using alternative method
05:43:55 Unprotect a cell
05:43:55 Add a hyperlink to an external website
05:43:55 Add a hyperlink to another cell on a different worksheet within the workbook
05:43:55 Add a drawing to the worksheet
05:43:55 Add a drawing to the worksheet
05:43:55 Add a drawing to the worksheet
05:43:55 Play around with inserting and removing rows and columns
05:43:55 Set header/footer
05:43:55 Set page orientation and size
05:43:55 Rename first worksheet
05:43:55 Create a second Worksheet object
05:43:55 Add some data
05:43:55 Set the worksheet tab color
05:43:55 Set alignments
05:43:55 Set column widths
05:43:55 Set fonts
05:43:55 Add a drawing to the worksheet
05:43:55 Set page orientation and size
05:43:55 Rename second worksheet
05:43:55 Write to HTML 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(46306, 'd-mmm-yy')
#3 /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php(1245): PHPExcel_Style_NumberFormat::toFormattedString(46306, 'd-mmm-yy', Array)
#4 /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php(476): PHPExcel_Writer_HTML->generateRow(Object(PHPExcel_Worksheet), Array, 0, 'td')
#5 /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExce in /var/www/tsf-audio-bitrate/html/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php on line 448