Swift http delete request with php not working - php

Question

I had tried many times in Swift, seem the problem happened in the PHP file. i dont know the data tpye of $revaID correct i get $revaID value from swift, i want to use revaID to delete row from table reservation ,it is auto created.please help
<?php
$host = "127.0.0.1";
$username = "root";
$password = "password";
$dbname = "project";
// Connect to server
$connect=mysqli_connect("127.0.0.1", "root", "password","project")
or die ("Sorry, unable to connect database server");
$revaID = $_POST["revaID"]; ;
$UserID = $_["UserID"];
// Run the query
$query = "DELETE FROM reservation WHERE revaID = '$revaID'";
$result = mysqli_query($connect,$query);
////////////////////ignore///////// //////////////////
if ($result) {
print $result;
print "Suss";
print $revaID;
} else {
print "Failed to delete record!";
print(mysqli_error($connect));}
////////////////// ////////////////// //////////////////
////////////////////ignore////////////////////////
if ($revaID){
set_include_path('/Library/WebServer/Documents/');
$id2 = array();
$id2['revaID'] = $revaID;
// Loop through each row in the result set
$json = json_encode($id2, JSON_NUMERIC_CHECK );
file_put_contents('deleterevaID.php',$json,FILE_USE_INCLUDE_PATH);}
////////////////// //////////////////
mysqli_close($connect);
?>
and this is my swife code, when editingStyle == .delete , i got $revaID.
override func tableView(_ tableView: UITableView, commit editingStyle: UITableViewCell.EditingStyle, forRowAt indexPath: IndexPath) {
if editingStyle == .delete{
let UserID = userinfo[indexPath.row]
// print(UserID)
userinfo.remove(at:indexPath.row)
tableView.deleteRows(at: [indexPath], with: .fade)
tableView.endUpdates()
// Service.shared.deletePost(revaID:UserID.revaID) { (err) in
// }
let urlStr = "http://localhost/deleteres.php"
if let url = URL(string: urlStr) {
var urlRequest = URLRequest(url: url)
urlRequest.httpMethod = "DELETE"
let body = "revaID=\(UserID.revaID)"
print("ID:",UserID.revaID)
if let data = body.data(using: .utf8) {
let dataTask = URLSession.shared.uploadTask(with: urlRequest,
from: data, completionHandler: {
data, response, error in
if let error = error{
print("error: \(error.localizedDescription)")
}
// print(UserID.revaID)
//self.refreshBtnClicked(self)
})
dataTask.resume()
}
}
}
}

Answer 1

in a swift file, you are sending data with get method and in a PHP file you are trying to get data with post method.
so instead of this :
$revaID = $_POST["revaID"]; ;
try to get data by get method
$revaID = $_GET["revaID"]; ;