controller: function pdf_question()
public function pdf_question()
{
$data = [];
$pdfFilePath = "output_pdf_name.pdf";
$this->load->library('m_pdf');
$this->m_pdf->pdf->WriteHTML($this->load->view('pdf-question'));
$this->m_pdf->pdf->Output($pdfFilePath, "D");
}
view:
<html>
<head>
</head>
<body>
<div class="container">
<div class="col-lg-12" style="background:#38558a;">
<h3 style="color:#ff7900;"><b>Quiz Questions</b></h3>
<hr>
</div>
<div class="row">
<div class="col-md-12">
<br/>
<div class="login-panel panel panel-default">
<div class="panel-body">
<a href="javascript:void(0)" class="btn btn-danger" style="float:right;" id="pdf">PDF</a>
<div class="col-lg-12" id="target">
<?php
$this->db->select('*');
$this->db->from('qbank');
$query = $this->db->get();
$result = $query->result_array();
foreach($result as $row)
{
$qid = $row['qid'];
$question = $row['question'];
?>
<div class="col-div-container">
<table class="bix-tbl-container" width="100%" cellspacing="0" cellpadding="0" border="0">
<tbody>
<tr>
<td rowspan="2" valign="top" align="left"><?php echo $qid; ?>. </td>
<td valign="top"><p><?php echo $question; ?></p></td>
</tr>
<tr>
<td valign="top">
<table width="100%" cellspacing="0" cellpadding="0" border="0" style="line-height: 1.7;">
<tbody>
<?php
$this->db->select('*');
$this->db->from('options');
$where = "qid = '$qid'";
$this->db->where($where);
$sql = $this->db->get();
//echo $this->db->last_query();
$res = $sql->result_array();
foreach($res as $rows)
{
$option = $rows['q_option'];
?>
<tr>
<ol style="list-style-type: upper-alpha;">
<td width="5%">
<li><a href="javascript:void(0)"><input type="radio" name="radio_btn"></a></li>
</td>
</ol>
<td width="99%"><?php echo $option; ?></td>
</tr>
<?php
}
?>
</tbody>
</table>
</td>
</tr>
</tbody>
</table>
</div>
<hr/>
<?php
}
?>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
In this code I have created a view file having name pdf-question.php and now I want to export these question into pdf formate for this I am using mpdf codeigniter where I have load M_pdf.php library and mpdf in third party but Its not working it show me an error and i.e.
HTML contains invalid UTF-8 character(s) mPDF error:
So, How can I fix this issue ?Please help me.
Thank You
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Answer
Make a simple change in your pdf_question function.
$html=$this->load->view('pdf-question', $data,true);
$this->m_pdf->pdf->WriteHTML($html);