15:32:53 Create new PHPExcel object
15:32:53 Set document properties
15:32:53 Add some data
15:32:53 Add comments
15:32:53 Add rich-text string
15:32:53 Merge cells
15:32:53 Protect cells
15:32:53 Set cell number formats
15:32:53 Set column widths
15:32:53 Set fonts
15:32:53 Set alignments
15:32:53 Set thin black border outline around column
15:32:53 Set thick brown border outline around Total
15:32:53 Set fills
15:32:53 Set style for header row using alternative method
15:32:53 Unprotect a cell
15:32:53 Add a hyperlink to an external website
15:32:53 Add a hyperlink to another cell on a different worksheet within the workbook
15:32:53 Add a drawing to the worksheet
15:32:53 Add a drawing to the worksheet
15:32:53 Add a drawing to the worksheet
15:32:53 Play around with inserting and removing rows and columns
15:32:53 Set header/footer
15:32:53 Set page orientation and size
15:32:53 Rename first worksheet
15:32:53 Create a second Worksheet object
15:32:53 Add some data
15:32:53 Set the worksheet tab color
15:32:53 Set alignments
15:32:53 Set column widths
15:32:53 Set fonts
15:32:53 Add a drawing to the worksheet
15:32:53 Set page orientation and size
15:32:53 Rename second worksheet
15:32:53 Write to HTML format
Fatal error: Uncaught Error: Call to undefined function mb_strtolower() in /var/www/html/psyserve.psyventures.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php:448
Stack trace:
#0 [internal function]: PHPExcel_Style_NumberFormat::setLowercaseCallback(Array)
#1 /var/www/html/psyserve.psyventures.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php(464): preg_replace_callback('/(?:^|")([^"]*)...', Array, 'd-mmm-yy')
#2 /var/www/html/psyserve.psyventures.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php(647): PHPExcel_Style_NumberFormat::formatAsDate(45918, 'd-mmm-yy')
#3 /var/www/html/psyserve.psyventures.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php(1245): PHPExcel_Style_NumberFormat::toFormattedString(45918, 'd-mmm-yy', Array)
#4 /var/www/html/psyserve.psyventures.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/HTML.php(476): PHPExcel_Writer_HTML->generateRow(Object(PHPExcel_Worksheet), Array, 0, 'td')
#5 /var/www/html/psyserve.psyventures.com in /var/www/html/psyserve.psyventures.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php on line 448