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Posted by seaside on 01/13/08 03:15
On 13 Jan., 04:00, "Rik Wasmus" <luiheidsgoe...@hotmail.com> wrote:
> On Sun, 13 Jan 2008 03:50:33 +0100, seaside <seaside...@mac.com> wrote:
> > I have a method
>
> > function appendChildNode( AST $aNewChild ) {
> > ...
> > }
> > <<<
>
> > where AST is a class. If I pass null, PHP renders this message:
>
> > Catchable fatal error: Argument 1 passed to AST::appendChildNode()
> > must be an instance of AST, null given, called in /Applications/MAMP/
> > htdocs/compile/includes/CParser.inc.php(517) : eval()'d code on line 1
> > and defined in /Applications/MAMP/htdocs/compile/includes/AST.inc.php
> > on line 43
> > <<<
>
> > Any ideas, why I can't pass a null value?
>
> For some reason:
>
> function appendChildNode( AST $aNewChild = NULL ) {
>
> }
>
But now, I can call it 'legally' with no parameters, which I don't
want.
At least any reader would think, 'OK, passing no value is OK'.
Do we have other options?
Additionally: I'll go into details of the code soon, but does the
default value make to
exception disappear, since I passed no value at all to appendChildNode?
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