TCPDF ERROR: Some data has already been output to browser, can't send PDF file

[Ndayishimiye Muhamudu]

Please How can I resolve this problem, I'm usinf PHP5.
Here is my Codes.

            $query = mysql_query("SELECT * FROM student_tb ORDER BY firstname ASC");
            $count = 0;

            while($row = mysql_fetch_array($query))
            {
                  $count++;
                $output .= "
                <tbody>
                 <tr>
                   <td>$count</td>
                   <td><img src='student_img/".$row['profile_picture']."' style='height:50px; width:50px;'></td>
                   <td>".$row['firstname']."</td>
                   <td>".$row['lastname']."</td>
                   <td>".$row['class']."</td>
                   <td>".$row['student_ID']."</td>
                   <td>".$row['school_fees']."</td>
                   <td>".$row['status']."</td>
                   <td>".$row['content']."</td>
                   <td>".$row['father_name']."</td>
                   <td>".$row['father_phone']."</td>
                   <td><center><a href=edit_student.php?id=".$row['id']."><span class='icon-edit'> Edit</span></a> |
                   <a href=delete_student.php?id=".$row['id']."><font color='red'><span class='icon-trash'> Delete</span></font></a></center></td>
                 </tr>
                </tbody>";
            }
            return $output;
          }
          if(isset($_POST['create_pdf'])){
            require_once("../tcpdf/tcpdf.php");
            $obj_pdf = new TCPDF('P', PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
            $obj_pdf->AddPage();
            $obj_pdf->SetCreator(PDF_CREATOR);
            $obj_pdf->SetTitle('SAINT PHILIP TECHNICAL SECONDARY SCHOOL');
            $obj_pdf->SetHeaderData('','', PDF_HEADER_TITLE, PDF_HEADER_STRING);
            $obj_pdf->SetHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
            $obj_pdf->SetFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
            $obj_pdf->SetDefaultMonospacedFont('helvetica');
            $obj_pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
            $obj_pdf->SetMargins(PDF_MARGIN_LEFT, '5', PDF_MARGIN_RIGHT);
            $obj_pdf->SetPrintHeader(false);
            $obj_pdf->SetPrintFooter(false); // or true
            $obj_pdf->SetAutoPageBreak(TRUE, 10);
            $obj_pdf->SetFont('helvetica', '', 12);

            $content = '';

            $content .= '
                <table class="table table-striped table-bordered table-hover" id="myTable" style="font-size:12px;">
                    <thead>
                        <tr>
                          <th>N<sup>o</sup></th>
                          <th>Image</th>
                          <th>First Name</th>
                          <th>Last Name</th>
                          <th>Class</th>
                          <th>Serial N<sup>o</sup></th>
                          <th>Fees /Frw</th>
                          <th>Status</th>
                          <th>Content</th>
                          <th>Parent Name</th>
                          <th>Contact</th>
                          <th>Action</th>
                        </tr>
                    </thead>
            ';

            $content .= fetch_data();

            $content .= '</table>';

            $obj_pdf->writeHTML($content, true, 0, true, 0);
            $obj_pdf->Output("sample.pdf", "I");

        }

        ?>

[Simon]

You have the line

return $output;

You should only do this if the PDF is not being created.

On 26 Dec 2017 10:13, "Ndayishimiye Muhamudu" muhamudu@users.sf.net wrote:

Please How can I resolve this problem, I'm usinf PHP5.
Here is my Codes.

        $query = mysql_query("SELECT * FROM student_tb ORDER BY firstname ASC");
        $count = 0;

        while($row = mysql_fetch_array($query))
        {
              $count++;
            $output .= "
            <tbody>
             <tr>
               <td>$count</td>
               <td><img src='student_img/".$row['profile_picture']."' style='height:50px; width:50px;'></td>
               <td>".$row['firstname']."</td>
               <td>".$row['lastname']."</td>
               <td>".$row['class']."</td>
               <td>".$row['student_ID']."</td>
               <td>".$row['school_fees']."</td>
               <td>".$row['status']."</td>
               <td>".$row['content']."</td>
               <td>".$row['father_name']."</td>
               <td>".$row['father_phone']."</td>
               <td><center><a href=edit_student.php?id=".$row['id']."><span class='icon-edit'> Edit</span></a> |
               <a href=delete_student.php?id=".$row['id']."><font color='red'><span class='icon-trash'> Delete</span></font></a></center></td>
             </tr>
            </tbody>";
        }
        return $output;
      }
      if(isset($_POST['create_pdf'])){
        require_once("../tcpdf/tcpdf.php");
        $obj_pdf = new TCPDF('P', PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
        $obj_pdf->AddPage();
        $obj_pdf->SetCreator(PDF_CREATOR);
        $obj_pdf->SetTitle('SAINT PHILIP TECHNICAL SECONDARY SCHOOL');
        $obj_pdf->SetHeaderData('','', PDF_HEADER_TITLE, PDF_HEADER_STRING);
        $obj_pdf->SetHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
        $obj_pdf->SetFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
        $obj_pdf->SetDefaultMonospacedFont('helvetica');
        $obj_pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
        $obj_pdf->SetMargins(PDF_MARGIN_LEFT, '5', PDF_MARGIN_RIGHT);
        $obj_pdf->SetPrintHeader(false);
        $obj_pdf->SetPrintFooter(false); // or true
        $obj_pdf->SetAutoPageBreak(TRUE, 10);
        $obj_pdf->SetFont('helvetica', '', 12);

        $content = '';

        $content .= '
            <table class="table table-striped table-bordered table-hover" id="myTable" style="font-size:12px;">
                <thead>
                    <tr>
                      <th>N<sup>o</sup></th>
                      <th>Image</th>
                      <th>First Name</th>
                      <th>Last Name</th>
                      <th>Class</th>
                      <th>Serial N<sup>o</sup></th>
                      <th>Fees /Frw</th>
                      <th>Status</th>
                      <th>Content</th>
                      <th>Parent Name</th>
                      <th>Contact</th>
                      <th>Action</th>
                    </tr>
                </thead>
        ';

        $content .= fetch_data();

        $content .= '</table>';

        $obj_pdf->writeHTML($content, true, 0, true, 0);
        $obj_pdf->Output("sample.pdf", "I");

    }

    ?>

---

TCPDF ERROR: Some data has already been output to browser, can't send PDF
file
https://sourceforge.net/p/tcpdf/discussion/435311/thread/fb7b5929/?limit=25#1b68

---

Sent from sourceforge.net because you indicated interest in
https://sourceforge.net/p/tcpdf/discussion/435311/

To unsubscribe from further messages, please visit
https://sourceforge.net/auth/subscriptions/