Untitled

<?php
session_start();
require 'dbconnect.php';
?>
<!DOCTYPE html>
<html>
    <head>
    <title>Untitled Document</title>
    </head>
    <body>
        <form name="formbrowseone" action="" method="POST" enctype="multipart/form-data">
            <input type="text" name="query" />
            <input type="submit" value="Search" />
        </form>
<?php
if (isset($_POST['query'])) {
    echo '<title>Search results</title>';
    $search = '%' . $_POST['query'] . '%';
    $newsearch = filter_var($search, FILTER_SANITIZE_STRING);
    $query = "SELECT * FROM useradvert WHERE adtitle LIKE ?";
    $select = $conn->prepare($query);
    $select->bind_param('s', $newsearch);
    $select->execute();
    $result = $select->get_result();
    if ($result->num_rows($result) > 0) { // updated
        WHILE ($row = $result->fetch_assoc()){
            echo $row['adtitle'];
        }
    } else {
        // if there is no matching rows do following
        echo "No results";
    }
}
?>
    </body>
</html>