22:30:00 Create new PHPExcel object
22:30:00 Set document properties
22:30:00 Add some data
22:30:00 Add comments
22:30:00 Add rich-text string
22:30:00 Merge cells
22:30:00 Protect cells
22:30:00 Set cell number formats
22:30:00 Set column widths
22:30:00 Set fonts
22:30:00 Set alignments
22:30:00 Set thin black border outline around column
22:30:00 Set thick brown border outline around Total
22:30:00 Set fills
22:30:00 Set style for header row using alternative method
22:30:00 Unprotect a cell
22:30:00 Add a hyperlink to an external website
22:30:00 Add a hyperlink to another cell on a different worksheet within the workbook
22:30:00 Add a drawing to the worksheet
22:30:00 Add a drawing to the worksheet
22:30:00 Add a drawing to the worksheet
22:30:00 Play around with inserting and removing rows and columns
22:30:00 Set header/footer
22:30:00 Set page orientation and size
22:30:00 Rename first worksheet
22:30:00 Create a second Worksheet object
22:30:00 Add some data
22:30:00 Set the worksheet tab color
22:30:00 Set alignments
22:30:00 Set column widths
22:30:00 Set fonts
22:30:00 Add a drawing to the worksheet
22:30:00 Set page orientation and size
22:30:00 Rename second worksheet
22:30:00 Write to HTML format

Fatal error: Uncaught Error: Call to undefined function mb_strtolower() in /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php:448 Stack trace: #0 [internal function]: PHPExcel_Style_NumberFormat::setLowercaseCallback(Array) #1 /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php(464): preg_replace_callback('/(?:^|")([^"]*)...', Array, 'd-mmm-yy') #2 /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php(647): PHPExcel_Style_NumberFormat::formatAsDate(46128, 'd-mmm-yy') #3 /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php(1245): PHPExcel_Style_NumberFormat::toFormattedString(46128, 'd-mmm-yy', Array) #4 /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php(476): PHPExcel_Writer_HTML->generateRow(Object(PHPExcel_Worksheet), Array, 0, 'td') #5 /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Classes/P in /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php on line 448