06:10:31 Create new PHPExcel object
06:10:31 Set document properties
06:10:31 Add some data
06:10:31 Add comments
06:10:31 Add rich-text string
06:10:31 Merge cells
06:10:31 Protect cells
06:10:31 Set cell number formats
06:10:31 Set column widths
06:10:31 Set fonts
06:10:31 Set alignments
06:10:31 Set thin black border outline around column
06:10:31 Set thick brown border outline around Total
06:10:31 Set fills
06:10:31 Set style for header row using alternative method
06:10:31 Unprotect a cell
06:10:31 Add a hyperlink to an external website
06:10:31 Add a hyperlink to another cell on a different worksheet within the workbook
06:10:31 Add a drawing to the worksheet
06:10:31 Add a drawing to the worksheet
06:10:31 Add a drawing to the worksheet
06:10:31 Play around with inserting and removing rows and columns
06:10:31 Set header/footer
06:10:31 Set page orientation and size
06:10:31 Rename first worksheet
06:10:31 Create a second Worksheet object
06:10:31 Add some data
06:10:31 Set the worksheet tab color
06:10:31 Set alignments
06:10:31 Set column widths
06:10:31 Set fonts
06:10:31 Add a drawing to the worksheet
06:10:31 Set page orientation and size
06:10:31 Rename second worksheet
06:10:31 Write to CSV 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(45733, 'd-mmm-yy')
#3 /var/www/html/psyserve.psyventures.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Worksheet.php(2502): PHPExcel_Style_NumberFormat::toFormattedString(45733, 'd-mmm-yy')
#4 /var/www/html/psyserve.psyventures.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/CSV.php(142): PHPExcel_Worksheet->rangeToArray('A1:E1', '', true)
#5 /var/www/html/psyserve.psyventures.com/vendor/phpoffice/phpexcel/Examples/ in /var/www/html/psyserve.psyventures.com/vendor/phpoffice/phpexcel/Classes/PHPExcel/Style/NumberFormat.php on line 448