Assign one array to another as key in PHP

Question

I have two arrays. One has group names the other one has group items. I want to assign group names as keys to the second array.

Example:

$array1 = array(
  0 => "A",
  1 => "B"
);

$array2 = array(
  0 => "a,b,c,d",
  1 => "e,f,g,h"
);

The second array should become:

$array3 = array(
  A => "a,b,c,d",
  B => "e,f,g,h"
);

How can i achieve this in PHP?

Thanks

user4066167 · Accepted Answer · 2014-09-22 13:21:40Z

4

use array_combine as such :

$array2 = array_combine($array1, $array2);

answered Sep 22, 2014 at 13:21

user4066167

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Community · Accepted Answer · 2023-11-17 19:39:04Z

2

you need to use array_combine, api here

edited Nov 17, 2023 at 19:39

CommunityBot

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answered Sep 22, 2014 at 13:22

Roger Guasch

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Comments

rwendlinger · Accepted Answer · 2014-09-22 13:24:40Z

0

would work like this:

    <?php 
    $grpNames = array(0 => "A", 1 => "B");
    $grpItems = array(0 => "a,b,c,d", 1 => "e,f,g,h");
    $newArray = array();
        foreach($grpItems as $grpItemKey => $grpItems){
            if(isset($grpNames[$grpItemKey])){
                $newArray[$grpNames[$grpItemKey]] = $grpItems;
            }
        }

    var_dump($newArray);
     ?>

answered Sep 22, 2014 at 13:24

rwendlinger

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