echo "<table border='1'>
<tr>
<th>HEADING</th> // THIS IS LINE 31
<th>HEADING</th>`
<th>HEADING</th>
<th>HEADING</th>
</tr>";

while($row = mysqli_fetch_array($query)) {
    echo "<tr>";
    echo "<td><a href='display.php?url=".$row['movieTitle']."'>".$row['movieTitle']."</a></td>";
echo "</tr>";
}