Website Delete PHP

<?php

session_start();
if( $_SESSION["username"]==""){
 header("Location: http://filewallet.site88.net/");
}
else{
       $servername = "mysql1.000webhost.com";
       $username = "a9691255_naveed";
       $password = "abmirzass123";
       $dbname = "a9691255_webiste";
$userid=$_SESSION["username"];

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}



}



$path=$_GET["path"];
$choice=$_GET["choice"];
if($choice==1){
$delete_query="delete from fileuploads where userid= '".$userid."' and filepath ='".$path."'";
if ($conn->query($delete_query) === TRUE) {
unlink($filepath);
    echo "Record deleted successfully";
header("Location: http://filewallet.site88.net/main.php?delfilcheck=1");

} else {
    header("Location: http://filewallet.site88.net/main.php?delfilcheck=2");
}

$conn->close(); }
else{
if(rmdir($path)){

header("Location: http://filewallet.site88.net/main.php?delfolcheck=1");
}
else{
header("Location: http://filewallet.site88.net/main.php?delfolcheck=2");}
}

?>