Re: array_unique() workaround? SOLUTION!
| From: | Jason G. | Date: | Wed, 14 Nov 2001 12:08:03 +0000 |
| Subject: | Re: array_unique() workaround? SOLUTION! | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-74582@lists.php.net to get a copy of this message | ||
it seems that...
$newarray = array()
foreach($oldarray as $key => $value)
if(! isset($newarray[$key]))
$newarray[$key] = $value;
-JAson Garber
IonZOft.com
At 10:42 AM 11/14/2001 +0100, Spunk S. Spunk III wrote:
Thanks everyone for the ideas,
Here's what I came up with...
I forgot to mention that I needed to preserve the original array's keys.
Here is a replacement I wrote that seems to work. Let me know if you see
errors in it or have improvements.
function my_array_unique($somearray)
{
asort($somearray);
reset($somearray);
$currentarrayvar = current($somearray);
foreach ($somearray as $key=>$var)
{
if (next($somearray) != $currentarrayvar)
{
$uniquearray[$key] = $currentarrayvar;
$currentarrayvar = current($somearray);
}
}
reset($uniquearray);
return $uniquearray;
}
I'm working on a script that needs array_unique() but my host is using 4.0.4
and it's broken in that build. Does anyone have a good workaround for this?
I can wait for my host to upgrade but if I release this code, it would be
better to have the workaround...
I just need a good way to check for dups in an array and remove them. I
can't get my brain around it...
TIA
Spunk
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