* from encode() should be checked with isError()
* - SERVICES_JSON_USE_TO_JSON: call toJSON when serializing objects
* It serializes the return value from the toJSON call rather
- * than the object it'self, toJSON can return associative arrays,
+ * than the object itself, toJSON can return associative arrays,
* strings or numbers, if you return an object, make sure it does
* not have a toJSON method, otherwise an error will occur.
*/