PHP - FTP CHECK FIND DELETE FILE

$url="ftp://@95.211.239.22/binaxsql/binaxsql.sql";
if (file_exists($url)) {


    $ftp_server="95.211.239.28";
    $ftp_user_name="";
    $ftp_user_pass="";
    $file = '/binaxsql/binaxsql.sql';
    // set up basic connection
    $conn_id = ftp_connect($ftp_server);
    // login with username and password
    $login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);
    // try to delete $file
    if (ftp_delete($conn_id, $file))
    {
    echo $file."deleted successful\n";
    }
        else
    {
    echo "could not delete".$file;
    }
    // close the connection
    ftp_close($conn_id);



}else {

    $handle = fopen('ftp://@95.211.239.28/binaxsql/binaxsql.sql', 'w');

    //$handle = fopen('backup/backup.sql', 'w+');
    fwrite($handle, $return);
    fclose($handle);
    echo "success";





};