include("connect.php");

$output = '';

if(isset($_POST['search'])) {
    if (empty($_POST["searchh"])) {
        echo"You didn't enter anything . ";
    }
    else  {
        $searchq = $_POST['searchh'];
        $searchq = preg_replace("#[^0-9a-z]#i", "",$searchq);

        $searchq = mysqli_real_escape_string($conn, $_POST['searchh']);
        $query = mysqli_query($conn ,"SELECT * FROM users WHERE username LIKE '%$searchq%'") or die("Could not search");
        $count = mysqli_num_rows($query);

        if($count == 0){
            echo "User does not exists";
        }
        else {
            while($row = mysqli_fetch_array($query)) {
                $username = $row['username'];
                $id = $row['id'];
                $output .= '<a href="home.php?username='.$username.'" >'. '<div>' .$username. '</div>' .'</a>';
            }
        }
    }
} else {
echo"Not working";

}