16:40:11 Create new PHPExcel object<br />16:40:11 Set document properties<br />16:40:11 Add some data<br />16:40:11 Add comments<br />16:40:11 Add rich-text string<br />16:40:11 Merge cells<br />16:40:11 Protect cells<br />16:40:11 Set cell number formats<br />16:40:11 Set column widths<br />16:40:11 Set fonts<br />16:40:11 Set alignments<br />16:40:11 Set thin black border outline around column<br />16:40:11 Set thick brown border outline around Total<br />16:40:11 Set fills<br />16:40:11 Set style for header row using alternative method<br />16:40:11 Unprotect a cell<br />16:40:11 Add a hyperlink to an external website<br />16:40:11 Add a hyperlink to another cell on a different worksheet within the workbook<br />16:40:11 Add a drawing to the worksheet<br />16:40:11 Add a drawing to the worksheet<br />16:40:11 Add a drawing to the worksheet<br />16:40:11 Play around with inserting and removing rows and columns<br />16:40:11 Set header/footer<br />16:40:11 Set page orientation and size<br />16:40:11 Rename first worksheet<br />16:40:11 Create a second Worksheet object<br />16:40:11 Add some data<br />16:40:11 Set the worksheet tab color<br />16:40:11 Set alignments<br />16:40:11 Set column widths<br />16:40:11 Set fonts<br />16:40:11 Add a drawing to the worksheet<br />16:40:11 Set page orientation and size<br />16:40:11 Rename second worksheet<br />16:40:11 Write to HTML 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(45936, 'd-mmm-yy')
#3 /home/audiomeets/public_html/invoice.audiomeets.com/vendor/turbo124/phpexcel/Classes/PHPExcel/Writer/HTML.php(1245): PHPExcel_Style_NumberFormat::toFormattedString(45936, 'd-mmm-yy', Array)
#4 /home/audiomeets/public_html/invoice.audiomeets.com/vendor/turbo124/phpexcel/Classes/PHPExcel/Writer/HTML.php(476): PHPExcel_Writer_HTML-&gt;generateRow(Object(PHPExcel_Worksheet in <b>/home/audiomeets/public_html/invoice.audiomeets.com/vendor/turbo124/phpexcel/Classes/PHPExcel/Style/NumberFormat.php</b> on line <b>448</b><br />