> 1) It seems that the getter and setter are not called on every single > call. For example, if I do the following: > > $bar = new foo; > $bar->x = 'x'; > > There is no output. I would expect to see "Setting $this->x to x." > Another example: > > $bar = new foo; > $bar->y = 'y'; > echo $bar->y; > > I would expect this to see "The value of y is y." but instead I just > get 'y' as output. So when do the various setters/getters get used? > > 2) It seems that getters ignore the visibility of properties. Why is > this? For example: > > $bar = new foo; > echo $bar->z; > > I would expect this to throw an error about accessing a private > member, but it outputs "The value of z is z." just fine. If I remove > the __get() overloader, an error is thrown. > > I'm guessing that the answer to all of my questions is some how > wrapped up in visibility and overloading. Unfortunately I cannot find > any resource that documents the interactions. TIA. >
As I understand it, the __get and __set do not ignore visibility; rather, they only work for accessing private members. If a property is declared public, it does not need the __get and __set, so they aren't used. Likewise, $bar->y is public since it was added dynamically outside the class. Andrew -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
