Delete a bargain API

<?php
include("src/Ratebe.php");
include("config.php");
$action = 'bargain_edit';
$msg = 'You can update this bargain';
$deleted = false;
$id = @$_REQUEST["id"];
if(@$_POST["submit"]=="Delete"){
  $action = 'bargain_delete';
  $rest_data = array(
     'bargainID' => $id
  ); 
  $Ratebe = new Ratebe($auth_arr,$action,$rest_data);
  $result_arr = $Ratebe->go();
  $deleted = true;
  if($result_arr["result"]=="success")
     $msg = 'You have deleted the bargain successfully';
  else if($result_arr["result"]=="fail")
     $msg = 'You have failed to delete the bargain. Reason: '.$result_arr["error"];
}
?>