/// <summary>
/// Internal method common for all functions.
/// </summary>
private static PhpArray SetOperation(SetOperations op, PhpArray array, PhpArray[] arrays,
IComparer<KeyValuePair<IntStringKey, object>> comparer)
{
if (array == null)
{
PhpException.ArgumentNull("array");
return null;
}
if (arrays == null || arrays.Length == 0)
{
PhpException.InvalidArgumentCount(null, null);
return null;
}
Debug.Assert(comparer != null);
PhpArray result = new PhpArray();
array.SetOperation(op, arrays, comparer, result);
// the result is inplace deeply copied on return to PHP code:
result.InplaceCopyOnReturn = true;
return result;
}
