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

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 itīs 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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