NYCPHP Meetup

[nycphp-talk] Incomplete Objects, Class Definitions and require_once

Michael B Allen ioplex at gmail.com
Sun Aug 5 14:49:08 EDT 2007


Hi,

Every once in a while I run into this and it takes a few hours to
figure out what the right sequence of require_once statements are
required to wriggle out of it:

Notice: [...] The script tried to execute a method or access a
property of an incomplete object. Please ensure that the class
definition "Foo" of the object you are trying to operate on was loaded
_before_ unserialize() gets called or provide a __autoload() function
to load the class definition in [...]

Can someone explain to me what I need to know about how class
definitions are loaded so that I can make some sense of these errors?

It's not simply a matter of including the necessary file in the right
spot. Clearly there are other forces at work and I'd like to know what
they are.

Mike



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