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simpel <ahref> php question

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Nov 18.2004

Hi what I have is this simpel script on a page called pop1.php:

[code=php]
<?php

$idNew = “2”;
echo ($idNew);

?>
[/code]

I have another page called pop2.php which has a button with a link to:

pop1.php?idNew=idNew + “8”;

What this link should do is giving an echo in pop1.php of $idNew and the echo should be: “28”

How is this possible??

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PHP

3 Comments(s) ↴

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@creatorNov 18.2004 — I'm not sure I undserstad you correctly but try this:

Your URL: pop1.php?idNew=8

I'm not sure the you can use URL parameters in the way you do.

So i'm plying it safe. And if you need to combine to number and not add them togeter, use the concatinate them.

Inside pop1.php

[code=php]
<?php
$idNew = "2".$_GET['idNew'];
echo $idNew;
?>
[/code]
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@goebNov 18.2004 — if you have :

<a href='pop1.php?idNew=idNew + "8";'>

then in pop1.php, the value of $idNew will be :

- either the string 'idNew'

- or the string 'idNew + "8";'

(depending on the browser I suppose)

In no case you will get what you expect.
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@NogDogNov 19.2004 — [code=php]
$idNew = 2;
$url = urlencode(sprintf("idNew=%d8", $idNew));
echo "<a href='pop1.php?$url'>";
[/code]
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