Combine 2 Arrays of Different Lengths [duplicate]

Answer 1

Here is a one-liner:

$res = array_combine(array_intersect_key($arr1, $arr2), array_intersect_key($arr2, $arr1));

Answer 2

function array_combine2($arr1, $arr2) {
    $count = min(count($arr1), count($arr2));
    return array_combine(array_slice($arr1, 0, $count), array_slice($arr2, 0, $count));
}

Answer 3

here is perfect function in PHP itself called "array_combine()"

  /*-----------------------------------------------------------
  | Parameter            | Description                        |
  -------------------------------------------------------------
  | array1  Required.   | An array, specifying the keys       |
  -------------------------------------------------------------
  | array2  Required.   | An array, specifying the values     |
  -----------------------------------------------------------*/

$array1 = ('John','Mark','Ester');
$array2 = (1111,2222);

// if some elements dont exists, "add" them...
if(count($array1) != count($array2))
{
  foreach($array as $key => $value):
      if(!isset($array2[$key]) $array2[$key] = NULL;
  endforeach;
}

// now, combine them in classic way...
$combined = array_combine($array1,$array2);