19:59:53 Create new PHPExcel object
19:59:53 Set document properties
19:59:53 Add some data
Notice: Trying to access array offset on value of type float in /var/www/clients/conquer/conquer-communitybox/MXFiscal/vendor/phpoffice/phpexcel/Classes/PHPExcel/Cell/DefaultValueBinder.php on line 82
19:59:53 Add comments
19:59:53 Add rich-text string
19:59:53 Merge cells
19:59:53 Protect cells
19:59:53 Set cell number formats
19:59:53 Set column widths
19:59:53 Set fonts
19:59:53 Set alignments
19:59:53 Set thin black border outline around column
19:59:53 Set thick brown border outline around Total
19:59:53 Set fills
19:59:53 Set style for header row using alternative method
19:59:53 Unprotect a cell
19:59:53 Add a hyperlink to an external website
19:59:53 Add a hyperlink to another cell on a different worksheet within the workbook
19:59:53 Add a drawing to the worksheet
19:59:53 Add a drawing to the worksheet
19:59:53 Add a drawing to the worksheet
19:59:53 Play around with inserting and removing rows and columns
19:59:53 Set header/footer
19:59:53 Set page orientation and size
19:59:53 Rename first worksheet
19:59:53 Create a second Worksheet object
19:59:53 Add some data
19:59:53 Set the worksheet tab color
19:59:53 Set alignments
19:59:53 Set column widths
19:59:53 Set fonts
19:59:53 Add a drawing to the worksheet
19:59:53 Set page orientation and size
19:59:53 Rename second worksheet
19:59:53 Write to HTML format
Fatal error: Uncaught Error: Call to undefined function mb_strtolower() in /var/www/clients/conquer/conquer-communitybox/MXFiscal/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php:448
Stack trace:
#0 [internal function]: PHPExcel_Style_NumberFormat::setLowercaseCallback()
#1 /var/www/clients/conquer/conquer-communitybox/MXFiscal/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php(464): preg_replace_callback()
#2 /var/www/clients/conquer/conquer-communitybox/MXFiscal/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php(647): PHPExcel_Style_NumberFormat::formatAsDate()
#3 /var/www/clients/conquer/conquer-communitybox/MXFiscal/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php(1245): PHPExcel_Style_NumberFormat::toFormattedString()
#4 /var/www/clients/conquer/conquer-communitybox/MXFiscal/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php(476): PHPExcel_Writer_HTML->generateRow()
#5 /var/www/clients/conquer/conquer-communitybox/MXFiscal/vendor/phpoffice/phpexcel/Clas in /var/www/clients/conquer/conquer-communitybox/MXFiscal/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php on line 448