javascript call function from php file! (using yii)

[caughtfromabove]

I'm trying to call a function in a .js file from the php page where I'm displaying it!

What I want to do is something like this:

.php file:
> ...
> function testFunc(){
> return "2";
> }
> ...


now I want to call this function inside the .js file!

Thaks in advance for your help