swift error: Code=3840 "Garbage at end." - php

Question

I have this error
Error Domain=NSCocoaErrorDomain Code=3840 "Garbage at end." UserInfo={NSDebugDescription=Garbage at end.}
here is my swift code:
var exercise:String = ""
for value in numberOfExercisesArray{
exercise = exercise + value.text! + ","
}
if exercise.characters.last == ","{
exercise.removeAtIndex(exercise.endIndex.predecessor())
}
the string i want to post (exercise) is in the this context : "bench press,5,100"
However I cant get this string to go through because of the error above
Below is how i connect to my php/sql server:
let myURL = NSURL(string: "http://localhost:8888/saveWorkout.php");
let request = NSMutableURLRequest(URL:myURL!);
request.HTTPMethod = "POST";
let postString = "exercise=\(exercise)";
request.HTTPBody = postString.dataUsingEncoding(NSUTF8StringEncoding);
let task = NSURLSession.sharedSession().dataTaskWithRequest(request){
data, response, error in
if error != nil {
print("error=\(error)")
return
}
do{
let json = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.AllowFragments) as? NSDictionary
if let parseJSON = json{
let resultValue = parseJSON["status"] as! String!;
print("result: \(resultValue)")
if(resultValue == "Success"){
print("worked")
}
else{
print("not worked")
}
}
}
catch { print(error) }
}
task.resume();
How do I fix this error
Thanks

Answer 1

Your problem is , Your are using Json , and when you try to parse json actually you are not parsing it perfectly, Json can parse as Dictionary or Array , , check your json response try to decode it in any online json parser , to see how it's look like,
copy your server response (json)
search in google ( online json formatter )
past it there and see