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Posted by yangsuli@gmail.com on 11/04/06 10:16
the problem is that i donnot want some script.php
i want to redirect the users back on the page they were just on,with
calling a function in advance :)
you think the flag thing is the best way to do it?
Mateusz Markowski wrote:
> yangsuli@gmail.com napisal(a):
> > i want to creat a link
> > when somebody click the link
> > the php script calls a function,then display itself :)
> >
> > i have tried
> > <a href=<? funtion(); echo=$_server['php_self'] ?>text</a>
> > but it will call the function whether i click the link
> >
> >
> > then i tried this (using forms)
> > <form action="<?php function(); echo "<script>"; echo
> > "window.location.href=$_SERVER['PHP_SELF']"; echo '</script>';?>">
> > <input type="submit" value="text" /></form>
> > but it didnot work either.
> > my browser said there were parse errors,T_STRING expected or
> > something....:(
> >
> >
> > now i am thinking using a flag,say,$functioncall,
> > href=$_server[request_url]&functioncall=1
> > then if functioncall==1,call that function
> > but is it right?
> > is there some way simple to do that?
> >
>
> PHP works on a server, not in your browser, so it can't just call
> function when you click a link. You have to send a request to the
> server which will cause your script to call this function. Your last
> example is good way to do it. So you have such link:
> script.php?call=helloworld
>
> and in your file script.php such code:
>
> if ($_GET['call'] == 'helloworld') {
> echo 'Hello world!';
> }
>
> Then after clicking the link your browser sends a request, PHP decides
> what to do, then server sends you a appropriate response.
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