PHP merge values of numeric arrays in corresponding keys

Question

So consider an array with my 3 favorite fruits:

$array1 = array("Apple", "Banana","Raspberry")

I want to merge it with their own beautiful and natural color

$array2 = array("Green ", "Yellow ","Red ")

So that the results would look like

([0] => Green Apple [1] => Yellow Banane [2] => Red Raspberry)

I need something to be scalable (2 to 6 keys, always the same between arrays)

What I tried and results

array_combine($array2,$array1)

Result: Array ( [Green ] => Apple [Yellow ] => Banana [Red ] => Raspberry )
array_merge($array2,$array1)
Result: Array ( [0] => Green [1] => Yellow [2] => Red [3] => Apple [4] => Banana [5] => Raspberry )
array_merge_recursive($array2,$array1)
Result: Array ( [0] => Green [1] => Yellow [2] => Red [3] => Apple [4] => Banana [5] => Raspberry )

hafichuk · Accepted Answer · 2013-01-06 05:21:15Z

2

You actually should loop through arrays to combine them.

$combinedArray = array();
foreach ( $array1 as $key=>$value ) {
    $combinedArray[$key] = $array2[$key] . ' ' . $array1[$key];
}

answered Jan 6, 2013 at 5:21

hafichuk

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2 Comments

Wistar Over a year ago

Thanks. That should help me a lot with my fruits. I'm gonna accept your answer in few minutes since you're so fast.

hafichuk Over a year ago

Thanks. I missed the "space" with the concatenation. Answer has been updated.

PassKit · Accepted Answer · 2013-01-06 05:23:13Z

1

Why not simply loop through each array.

$array1 = array("Apple", "Banana","Raspberry");
$array2 = array("Green ", "Yellow ","Red ")

$array3 = arrayCombine($array1, $array2);

function arrayCombine($array1, $array2) {
  $array_out = array();

  foreach ($array1 as $key => $value)
    $array_out[] = $value . ' ' . $array2[$key];

  return $array_out;
}

answered Jan 6, 2013 at 5:23

PassKit

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1 Comment

hafichuk Over a year ago

You have some syntax errors $array3 = function array_combine($array1, $array2); should be $array3 = array_combine($array1, $array2);

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