On 12/15/2011 6:24 AM, Marc Guay wrote:
>> Assuming you want to make things unique based on the "contact_first_name"
>> field,
>> how would you decide which record to keep? The first one you run in to, the
>> last one you come across, or some other criteria?
>
> The unique field is actually the contact_id.
>
> Marc
>
Marc,
If that is the case, can you explain to us how you got the two entries in the
array to begin with? If this is from a DB query, then it should probably be
address else where. If it was loaded from a text file, it should be handled
differently.
No matter how it was created, you could always build a method (if the dataset
isn't too large) that would filter things out.
Given your example array, I would do something like this:
<?php
$oldDataSet = array(
array(
"contact_id" => "356",
"contact_first_name" => "Marc",
),
array(
"contact_id" => "247",
"contact_first_name" => "Marc",
),
array(
"contact_id" => "356",
"contact_first_name" => "Marc",
),
);
$newDataSet = array();
foreach ( $oldDataSet AS $k => $entry ) {
$newDataSet[$entry['contact_id']] = $entry;
unset($oldDataSet[$k]);
}
print_r($newDataSet);
?>
This would result in something like this:
Array
(
[356] => Array
(
[contact_id] => 356
[contact_first_name] => Marc
)
[247] => Array
(
[contact_id] => 247
[contact_first_name] => Marc
)
)
Give it a try, should do what you are wanting.
--
Jim Lucas
http://www.cmsws.com/
http://www.cmsws.com/examples/
http://www.bendsource.com/
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