Begin forwarded message:
From: Tamara Temple <tamouse.lists@xxxxxxxxx>
Date: November 10, 2010 12:05:32 AM CST
To: PHP General <php-general@xxxxxxxxxxxxx>
Subject: Re: Updating a GET variable
On Nov 9, 2010, at 2:47 PM, Marc Guay wrote:
What's wrong with just putting the url parameters in the link that
you know
you need, one by one?
I have a footer that I include on every page and would like it to
adapt to whatever situation it finds itself in. Is your suggestion,
to do the following for the existing example:
echo "<a href='index.php?name=".$_GET['name']."&this=".
$_GET['this']."&lang=en'>Flip</a>";
Also, don't just output the values sent to the server, as that's
an attack waiting to happen.
Are you referring to echoing the SCRIPT_NAME and QUERY STRING values
into the href attribute?
I would add the parameter you want to $_GET ($_GET['lang']='en') and
use http_build_query on $_GET if you really want to include the
whole query string in the call:
$_GET['lang']='en';
echo '<a href="index.php?'.http_build_query($_GET).'">Flip</a>"
Woops, just realized a problem with this. If the values in $_GET are
URL encode, http_build_query will encode them again, so you have to
decode them first:
foreach($_GET as $k => $v) $qs[$k] = URLDecode($v);
$qs['lang'] = 'en';
echo '<a href="index.php?'.http_build_query($qa).'">Flip</a>';
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