LRR/Visitors.php

<?php
$page = 'Submit LAB+';
include 'Header.php';
?>

<div class='row' style='width:80%;margin:auto;'>
  <?php

  echo    "  <div class='alert' style='margin-left:20px;border-bottom:2px solid #1D91EF;'> <a href='~\..\Courses.php?course=$url'>
  LRRS > Visitor Portal  > Public Lab Reports
   <br> <span style='font-size:8pt'> </span>
</a></div>
 ";

  $result = mysqli_query($con, "SELECT `Submission_ID`, `Submission_Date`, lab_report_submissions.Student_id,
     `Attachment1`, `Notes`, `Attachment2`, `Attachment3`, `Attachment4`, `Marks`, `Title`, `Visibility` ,
     users_table.Full_Name,course_groups_table.Group_Name
FROM `lab_report_submissions`
left join users_table on users_table.Student_ID=lab_report_submissions.Student_id
left JOIN course_groups_table on course_groups_table.Course_Group_id=lab_report_submissions.Course_Group_id
WHERE Visibility='Public' ");
  if (mysqli_num_rows($result) == 0) {
  } else {
    while ($row = mysqli_fetch_assoc($result)) {
      $att1 = $row['Attachment1'];
      $att2 = $row['Attachment2'];

      $sdate = $row['Submission_Date'];
      $att3 = $row['Attachment3'];
      $att4 = $row['Attachment4'];
      $labid = $row['Lab_Report_ID'];
      $title = $row['Title'];

      $submitted_std = $row['Student_id'];
      $submitted_group = $row['Course_Group_id'];
      $Submission_ID = $row['Submission_ID'];
      $sname = $row['Full_Name'];
      $gname = $row['Group_Name'];
      $Visibility = $row['Visibility'];

      $full_link = "<a href='~\..\Lab_Report_Submisions\\$att1'>$att1</a>";

      if ($att2 != "") {
        $full_link = $full_link . "| <a href='~\..\Lab_Report_Submisions\\$att2'>$att2</a>";
      }
      if ($att3 != "") {
        $full_link = $full_link . "| <a href='~\..\Lab_Report_Submisions\\$att3'>$att3</a>";
      }

      if ($att4 != "") {
        $full_link = $full_link . "| <a href='~\..\Lab_Report_Submisions\\$att4'>$att4</a>";
      }

      echo "  
               
                        <div class='btn btn-default'> 
  $title  <small>by $gname $sname </small>
   <br> <span style='font-size:8pt'>Submission Date :$sdate  &nbsp;&nbsp; &nbsp;  Files : $full_link </span>
</div>
                        ";
    }
  } ?>
</div>