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Sorting form elements

Posted on 2002-06-04
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Last Modified: 2011-09-20
If I pass form elements to a script and I want to sort specific ones based on the order of the hidden sort tag:

<input type="HIDDEN" name="sort" value="order:realName,address,address_,city,state,zip,...

How would I do this? The names in the sort are the names of selected hidden inputs I want to sort that were passed!
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Question by:sargento
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5 Comments
 
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Expert Comment

by:Hamlet081299
ID: 7055200
Can you give some more details?

Do you mean that you want to output the values entered in the form according to the specified order?  Or are you trying to create a form with the inputs in that order?
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Author Comment

by:sargento
ID: 7055213
I want to output the values according to the sort order.
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Accepted Solution

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Hamlet081299 earned 100 total points
ID: 7055224
Here's a simple example that MAY be what you are after.

You will notice that the hidden fields are in a nonsense order, but when you click the Submit button they are listed in the order specified.

<form action='test.php'>

<input type="hidden" name="zip" value="2000">
<input type="hidden" name="realName" value="John Smith">
<input type="hidden" name="address_" value="Belrose">
<input type="hidden" name="city" value="Sydney">
<input type="hidden" name="state" value="NSW">
<input type="hidden" name="address" value="12 Main Street">

<input type="hidden" name="sort" value="realName,address,address_,city,state,zip">

<input type="submit">
</form>

<?php

$order = explode(',', $sort);
foreach ($order as $varname) {
    $value = $$varname;
    echo "$varname = $value<br>\n";
}

?>
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Expert Comment

by:Hamlet081299
ID: 7055229
p.s. I dropped the "order:" from the start of the sort value.  I don't know if this is needed.  If it is then just strip it off before doing the explode().
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Author Comment

by:sargento
ID: 7055238
That's exactly what Iwant! Thanks!
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