Re: [PHP-DEV] Re: [PHP4BETA] array_walk: calling functions taking only ONE paramet && calling methods = not possible? From: waldschrott (waldschrott <email protected>)
Date: 05/29/00

so we can stay at the point that using array_walk() within classes is
not possible if one wants to call a function which only accepts one
parameter, so I´m not able to manipulate some arrays inside a class

catching (2) in the future would eliminate the need for (1), one can
then create wrapper methods

should I create a bug report for this?

regards

> On Mon, May 29, 2000 at 05:29:27PM +0200, waldschrott wrote:
> > sorry, did not think about posting to both lists...
> >
> > here is the 10 line (comments not counted) simplified example, it does
> > not do what it has done before, but it demonstrates the both cases 1) and 2)
> > $this->array should consist of an array with printable examples to the
> > selected type, because this did not work i had to work around it, but I
> > think calling methods and accessing functions needing one parameter are
> > important things
> >
> > regards
> >
> > --- snip ---
> > <?php
> > $obj=new RX_mail(1);
> >
> > class RX_mail {
> > var $examples=array(1=>array('foo <email protected>','"foo" <email protected>',
> > '* <email protected>'),
> > 2=>array('"foobiee" <foo <email protected>>','<subfoo <email protected>>'));
> > function RX_mail($type) {
> > $this->array=$this->examples[$type];
> > // Before returning $this->examples[$type] I wanted to array_walk
> > // all items to be able to display them
> >
> > // 1) does not work
> > array_walk($this->array,'htmlspecialchars');
>
> sorry only user-functions can be called by array_walk (and
> all other functions that accept a callback like this)
>
> so you need to create a functions in your script that then
> calles htmlspecialchars() and you should be fine.
>
>
> > // 2 does not work, as said
> > array_walk($this->array,'this->wrapper'); }
>
> this is not supported right now - might get added somewhen in
> the future!
>
>
> tc
>
> >
> > function wrapper(&$param1,$param2='') {
> > return htmlspecialchars($param1); }}
> > ?>
> > --- snip ---
> >
> > > On Mon, May 29, 2000 at 04:41:10PM +0200, waldschrott wrote:
> > > > Hi,
> > > > I tried to things with array_walk.
> > > > 1) Calling a function like htmlspecialchars() with array_walk(), but it
> > > > does not work: results in a wrong parameter count in array_walk(), I
> > > > think array_walk() tries to use the numeric key as a second parameter
> > > > for htmlspecialchars(), how do I avoid this.
> > > > 2) After that I tried to avoid that calling a wrapper method in
> > > > array_walk, I then had to notice that it´s not possible to call methods
> > > > with array_walk();
> > >
> > > calling methods is currently not implemented for most
> > > functions that have php-callbacks.
> > >
> > > >
> > > > Either array_walk is missing some functionality or I am missing
> > > > something....
> > >
> > > any chance to send a short (10 lines) script that shows the
> > > behaviour?
> > >
> > > >
> > > > regards
> > > >
>
> --
>
> Thies C. Arntzen "One Big-Mac, Small Fries and a Coke!"
> Digital Collections Phone +49 40 235350 Fax +49 40 23535180
> Hammerbrookstr. 93 20097 Hamburg / Germany
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