The Weird and The Wonderful

If number > 10 Or number < 30 Then
    allowed = 1
End If

/// <summary>
/// 
/// </summary>
/// <param name="adjancies"></param>
/// <param name="regions"></param>
/// <returns>True if was a special case.</returns>
private static bool CheckSpecialCases(List<List<int>> adjancies, Dictionary<int, Region> regions)
{
	if (regions.Count < 2) return true;
	if (regions.Count == 2)
	{
		int key1 = 0, key2 = 0, inc = 0;
		foreach (KeyValuePair<int, Region> kvp in regions)
		{
			if (inc == 0)
			{
				inc++;
				key1 = kvp.Key;
			}
			else
				key2 = kvp.Key;
		}

		lock (listLock)
		{
			if (adjancies[key1].Contains(key2))
				return true;

			adjancies[key1].Add(key2);
			adjancies[key2].Add(key1);
			return true;
		}
	}
	return false;
}

      if(MyCart::IsContentvalid()==1)
  {

  Helper::Redirect("confirmation.php");
  }

  if(MyCart::IsContentvalid()==2)
  {

$this->setErrorMsg("$curlang[error_msg1]");
  }

  if(MyCart::IsContentvalid()==-12)
  {

$this->setErrorMsg("These items can not be sold.");
  }

  if(MyCart::IsContentvalid()==15)
  {

$this->setErrorMsg("Your account doesn't allow you to buy these items.");
  }


else

  {

    //Helper::Redirect("confirmation.php");
    $this->setErrorMsg("$lang[error_msg2]");
  }

if ($result == 1)
{
  // do something here
}
if ($result != 1)
{
  // do something else here
}

s = s.Replace(s.Substring(0,7), "");

bool hasWarnings = false;
if (!hasWarnings)
{
     hasWarnings = true;
}