[Typo3-dev] Extending classes

[Chi Hoang]

Didier Geheniau wrote:
> I find it a nice feature that you can extend existing classes. Though
> not all classes can be extended. There are class functions that are
> called direct (classname::function). Those classes can't be extended.
> An example is t3lib_BEfunc::readPageAccess that is called in the
> web_perm extention.

The class t3lib_htmlmail is also difficult to extend, because for example
dmailer needs it in class declaration...

<snip>
class t3lib_dmailer extends t3lib_htmlmail {
blabla

}
</snip>

Farewell,

Chi