18:03:04 Create new PHPExcel object<br />18:03:04 Set document properties<br />18:03:04 Add some data<br />18:03:04 Add comments<br />18:03:04 Add rich-text string<br />18:03:04 Merge cells<br />18:03:04 Protect cells<br />18:03:04 Set cell number formats<br />18:03:04 Set column widths<br />18:03:04 Set fonts<br />18:03:04 Set alignments<br />18:03:04 Set thin black border outline around column<br />18:03:04 Set thick brown border outline around Total<br />18:03:04 Set fills<br />18:03:04 Set style for header row using alternative method<br />18:03:04 Unprotect a cell<br />18:03:04 Add a hyperlink to an external website<br />18:03:04 Add a hyperlink to another cell on a different worksheet within the workbook<br />18:03:04 Add a drawing to the worksheet<br />18:03:04 Add a drawing to the worksheet<br />18:03:04 Add a drawing to the worksheet<br />18:03:04 Play around with inserting and removing rows and columns<br />18:03:04 Set header/footer<br />18:03:04 Set page orientation and size<br />18:03:04 Rename first worksheet<br />18:03:04 Create a second Worksheet object<br />18:03:04 Add some data<br />18:03:04 Set the worksheet tab color<br />18:03:04 Set alignments<br />18:03:04 Set column widths<br />18:03:04 Set fonts<br />18:03:04 Add a drawing to the worksheet<br />18:03:04 Set page orientation and size<br />18:03:04 Rename second worksheet<br />18:03:04 Write to CSV format<br /><br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function mb_strtolower() in /home/audiomeets/public_html/invoice.audiomeets.com/vendor/turbo124/phpexcel/Classes/PHPExcel/Style/NumberFormat.php:448
Stack trace:
#0 [internal function]: PHPExcel_Style_NumberFormat::setLowercaseCallback(Array)
#1 /home/audiomeets/public_html/invoice.audiomeets.com/vendor/turbo124/phpexcel/Classes/PHPExcel/Style/NumberFormat.php(464): preg_replace_callback('/(?:^|&quot;)([^&quot;]*)...', Array, 'd-mmm-yy')
#2 /home/audiomeets/public_html/invoice.audiomeets.com/vendor/turbo124/phpexcel/Classes/PHPExcel/Style/NumberFormat.php(647): PHPExcel_Style_NumberFormat::formatAsDate(45874, 'd-mmm-yy')
#3 /home/audiomeets/public_html/invoice.audiomeets.com/vendor/turbo124/phpexcel/Classes/PHPExcel/Worksheet.php(2502): PHPExcel_Style_NumberFormat::toFormattedString(45874, 'd-mmm-yy')
#4 /home/audiomeets/public_html/invoice.audiomeets.com/vendor/turbo124/phpexcel/Classes/PHPExcel/Writer/CSV.php(142): PHPExcel_Worksheet-&gt;rangeToArray('A1:E1', '', true)
#5 /home/audiomee in <b>/home/audiomeets/public_html/invoice.audiomeets.com/vendor/turbo124/phpexcel/Classes/PHPExcel/Style/NumberFormat.php</b> on line <b>448</b><br />