HELPER_checkAdvancedRESTParameter

Description: Checks for mandatory REST parameters and ensures at least one of a group of optional parameters is set.
Parameter:

• parameterNamesMandatory: Array of parameter names that must be present in $_GET.
• parameterNamesOneOfMany: Array of parameter names where at least one must be present in $_GET.

Returns:

• true on success or shows a JSON error message and returns false.