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creating one array from two previous arrays without array_combine

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Aug 26.2010

Hi

I can not use array_combine to combine two arrays, (array combine kill one element if it have the same value).

array
0 => string ‘4443X-06148101’ (length=14)
1 => string ‘4440X-04590101’ (length=14)
array
0 => string ‘148’ (length=3)
1 => string ‘123’ (length=3)

i need a way to create another array from the two previous arrays that at the end have this result :

array
‘4443X-06148101’ => string ‘148’ (length=3)
‘4440X-04590101’ => string ‘123’ (length=3)

keys->values in the same order they are presented in the first array

How can it be done ?

Thank’ s in advance

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PHP

4 Comments(s) ↴

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@aj_nscAug 26.2010 — [code=php]
$firstArr = array('4443X-06148101','4440X-04590101');
$secondArr = array('148','123');
$firstArrLength = count($firstArr);

$newArr = array();
for($i=0;i<$firstArrLength;$i++) {
$newArr[$firstArr[$i]] = $secondArr[$i];
}

print_r($newArr);
[/code]

Are both arrays always going to be the same length? If not, what do you want to happen when the one is longer than the other?

I still don't know why you can't use array_combine....what do you mean it will kill one element if it has the same value? Of course you cannot have two identical keys in an array, that kind of defeats the purpose of an array...
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@amrigoauthorAug 26.2010 — Hi

I have a situation where i really can have one array with the same key and only the value cannot be the same for eg. :

array

0 => string '4443X-06148101' (length=14)

1 => string '4443X-06148101' (length=14)

array

0 => string '148' (length=3)

1 => string '123' (length=3

This would be acceptable and using array_combine i would have just one item in the array.
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@aj_nscAug 26.2010 — You've got bad logic. An array is required to have unique keys. Think about your problem a little more and come up with a different solution. Basically what you have now is that what you want to have as keys, can be associated with more than one value....so why not format it like this:

Example, why not use a numerically indexed array like this:
<i>
</i>Array(
[4443X-06148101] =&gt; array('148','123')
)
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@amrigoauthorAug 26.2010 — Agree!

In my case i have to find a substitute to a foreach that iterates over one array that have 8digits+3digits+3digits

This array comes from this previous adjustment of data :

foreach($results as $resultkey=>$resultvalue) {

if(substr($resultkey,-6,3)!= $resultvalue) {

$finalresult[] = substr($resultkey,0,8).$resultvalue.substr($resultkey,-3);

} else {

$finalresult[] = $resultkey;

}

}

So now here i have just the finalresult array :8digits+3digits+3digits and have to deal with the case where i can have the 8 digits being the same but the next 3 digits can not be the same
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