On Aug 17, 2007, at 6:23 AM, Walt Haas wrote:
On Thu, 2007-08-16 at 17:39 -0600, Richard K Miller wrote:
Here's an OOP question that perplexes me. It seems PHP doesn't treat
static variables correctly in child classes
....
WHAT I EXPECTED:
Regular variable in ABC
Static variable in ABC
Regular variable in DEF
Static variable in DEF
ACTUAL OUTPUT:
Regular variable in ABC
Static variable in ABC
Regular variable in DEF
Static variable in ABC <--- This is different from what I expected
Anyone know why?
Actually a better terminology to describe these variables is "class
variables" vs. "instance variables". A static variable is bound to
the
class definition itself, while a non-static variable gets a new
instance
of the variable with each "new" instance of the class.
Yes, those are much more descriptive and helpful to understanding.
By the way, here is the section from a meeting on PHP 6 that mentions
their deliberations on late static binding, as Alvaro said:
http://www.php.net/~derick/meeting-notes.html#late-static-binding-
using-this-without-or-perhaps-with-a-different-name
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