Please help me to add Image Uploading Path to both folders.Please help me to fix this below code:

Help me to fix define('UPLOAD_PATH', "How to enter both folders");

1. uploads/thumb/ 2. uploads/

<?php

    if( isset( $_GET['apicall'] ) ){
        try{
            $response = array();

            define('DB_HOST','localhost');
            define('DB_USER','root');
            define('DB_PASS','');
            define('DB_NAME','indishare');
            define('UPLOAD_PATH','images/thumb/');

            $conn = new mysqli( DB_HOST, DB_USER, DB_PASS, DB_NAME ) or die('Unable to connect');

            $apicall=trim( strtolower( $_GET['apicall'] ) );

            switch( $apicall ){
                case 'uploadpic':
                    if( isset( $_FILES['pic']['name'], $_POST['tags'] ) ){

                        $obj=(object)$_FILES['pic'];
                        $error=$obj->error;
                        $name=$obj->name;
                        $tmp=$obj->tmp_name;

                        $tags=$_POST['tags'];

                        if( $error == UPLOAD_ERR_OK && is_uploaded_file( $tmp ) ){

                            $status = move_uploaded_file( $tmp, UPLOAD_PATH . $name );
                            if( $status ){

                                $sql='insert into `upload_img` (`image`, `tags` ) values (?,?)';
                                $stmt=$conn->prepare( $sql );
                                if( !$stmt )throw new Exception('failed to prepare sql insert statement');

                                $stmt->bind_param('ss', $name, $tags );

                                $result=$stmt->execute();
                                if( $result ){
                                    $response['error'] = false;
                                    $response['message'] = 'File uploaded successfully';
                                }
                                $stmt->close();
                            } else {
                                throw new Exception('failed to save file');
                            }
                        } else {
                            throw new Exception('Upload Error - Bad Foo!');
                        }
                    }
                break;



                    //Get Pics

                case 'getpics':                  


                    $sql='select `id`, `image`, `tags` from `upload_img`';
                    $stmt=$conn->prepare( $sql );



                    if( !$stmt )throw new Exception('failed to prepare sql select statement');

                    $result=$stmt->execute();
                    if( $result ){

                        $stmt->store_result();
                        $stmt->bind_result( $id, $image, $tags );

                        while( $stmt->fetch() ){
                            $upload_img[]=array(
                                'id'            =>  $id,
                                'image'         =>  'http://' . $server_ip . ''. UPLOAD_PATH . $image,
                                'tags'  =>  $tags
                            );
                        }
                        $stmt->close();

                        $response['error'] = false;
                        $response = $upload_img;

                    } else {
                        $response['error'] = true;
                        $response['message'] = 'No results returned by query';
                    }
                break;

                default:
                    throw new Exception( sprintf( 'Invalid api call - %s', $apicall ) );
                break;
            }

            header('Content-Type: application/json');
            echo json_encode( $response );              

        } catch( Exception $e ){
            $response['error'] = true;
            $response['message'] = $e->getMessage();

            header('Content-Type: application/json');
            exit( json_encode( $response ) );
        }
    } else {
        header("HTTP/1.0 404 Not Found");
        echo "<h1>404 Not Found</h1>";
        echo "The page that you have requested could not be found.";
        exit();
    }
?>