23:42:25 Create new PHPExcel object
23:42:25 Set document properties
23:42:25 Add some data
23:42:25 Add comments
23:42:25 Add rich-text string
23:42:25 Merge cells
23:42:25 Protect cells
23:42:25 Set cell number formats
23:42:25 Set column widths
23:42:25 Set fonts
23:42:25 Set alignments
23:42:25 Set thin black border outline around column
23:42:25 Set thick brown border outline around Total
23:42:25 Set fills
23:42:25 Set style for header row using alternative method
23:42:25 Unprotect a cell
23:42:25 Add a hyperlink to an external website
23:42:25 Add a hyperlink to another cell on a different worksheet within the workbook
23:42:25 Add a drawing to the worksheet
23:42:25 Add a drawing to the worksheet
23:42:25 Add a drawing to the worksheet
23:42:25 Play around with inserting and removing rows and columns
23:42:25 Set header/footer
23:42:25 Set page orientation and size
23:42:25 Rename first worksheet
23:42:25 Create a second Worksheet object
23:42:25 Add some data
23:42:25 Set the worksheet tab color
23:42:25 Set alignments
23:42:25 Set column widths
23:42:25 Set fonts
23:42:25 Add a drawing to the worksheet
23:42:25 Set page orientation and size
23:42:25 Rename second worksheet
23:42:25 Write to CSV 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/Worksheet.php(2502): PHPExcel_Style_NumberFormat::toFormattedString(46128, 'd-mmm-yy') #4 /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php(142): PHPExcel_Worksheet->rangeToArray('A1:E1', '', true) #5 /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Examples/16csv.php(50): PHPExcel_Writer_CSV-> in /var/www/html/wechart.365tsy.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php on line 448