/** * Use this to check that a function argument is of type <code>AppInfo</code> * * @internal */ public static function checkArg($argName, $argValue) { if (!$argValue instanceof self) { Dropbox_Checker::throwError($argName, $argValue, __CLASS__); } }
/** * Check that a function argument is either <code>null</code> or of type * <code>WriteMode</code>. * * @internal */ public static function checkArgOrNull($argName, $argValue) { if ($argValue === null) { return; } if (!$argValue instanceof self) { Dropbox_Checker::throwError($argName, $argValue, __CLASS__); } }