Difference between validate() and hasErrors()

Yii 1.1 General Discussion
1

Hi everybody,

I have been slowly learning how to use the Yii framework for the past couple weeks. At the beginning of this week, I discovered the simplelogin module, which helped me a lot understand how authentification works. However, there is something that I encountered in the module that I did not quite understand: The difference between validate() and hasErrors(). Can I use hasErrors() without validate()? when should I use one or the other?

2

validate() will check your model data for errors and then add them to an errors array, hasErrors() will return the array of errors that were found (if any).

3

You don’t really need to use hasErrors() unless you have some sort of exception case that you want to handle and validate() is called when you do a save().

So if you are just saving a model to a database, you really don’t need to call either of them because save() will do everything you need it to.

4

Sorry for the late response. After digging up a bit I finally understood whatever was confusing me. Your comment helped too.

Thanks a lot.

5

What is the difference between these two?