When using yield and WWW-class the function wont run

[save]

Having a bit of trouble with contacting something on a server. Lets say I have a script like this:

static function postSomething () {
    Debug.Log("Hello World");
    var thePost : WWW = new WWW ("http://server.com/?foo=bar");
    yield thePost; //Yield makes the function never shoot off
    if(thePost.error) {
	    Debug.Log("Error posting: " + thePost.error);
    }
}

Now, if I remove the yield the function shoots off and prints “Hello World”, but nothing actually gets posted from Unity onto the server. If I directly post it inside a browser, the php-script takes care of it so there’s nothing wrong on that end. I experience the same issue with WWWForm. So my question is, what am I missing?

[Steven-Walker]

Your problem is that the function is static. You cannot use yield in a static method. Instead, you’ll need to create a script that can be instanced. I handle this in my code by using the singleton pattern. You can build a class with static access methods, but they delegate to a single instance of the object that is setup just once and a reference to it is stored.

class MyExample extends Monobehaviour {
	static public var Instance : MyExample;
    
	function Init() {
		if(!Instance) {
			var g : GameObject = new GameObject("MyExample");
			Instance = g.AddComponent(typeof(MyExample)) as MyExample;
		}
	}
	
	function OnDestroy() {
		Instance = null;
	}
	
	static function postSomething() {
		Init();
		Instance._PostSomething();
	}
	
	function postSomething() {
		Debug.Log("Hello World");
		var thePost : WWW = new WWW ("http://server.com/?foo=bar");
		yield thePost; //Yield makes the function never shoot off
		if(thePost.error) {
			Debug.Log("Error posting: " + thePost.error);
		}
	}
}