php - sort an array by key to match another array's order by key

Question

I have two arrays, both have the same keys (different values) however array #2 is in a different order. I want to be able to resort the second array so it is in the same ord

Answer 1

Try this
CODE

$fruits = array("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");
ksort($fruits);
foreach ($fruits as $key => $val) {
    echo "$key = $val\n";
}

OUTPUT

a = orange
b = banana
c = apple
d = lemon

Check the php manual for ksort()

Answer 2

I can't think of any off the top of my head, but if the keys are the same across both arrays then why not just loop over the first one and use its key order to create a new array using the the values from the 2nd one?

$arr1 = array(
    'a' => '42', 
    'b' => '551',
    'c' => '512',
    'd' => 'gge',
) ;


$arr2 = array(
    'd' => 'ordered',
    'b' => 'is',
    'c' => 'now',
    'a' => 'this', 
) ;

$arr2ordered = array() ;

foreach (array_keys($arr1) as $key) {
    $arr2ordered[$key] = $arr2[$key] ;
}

Answer 3

foreach(array_keys($array1) as $key)
{
  $tempArray[$key] = $array2[$key];
}
$array2 = $tempArray;

Answer 4

I am not completely sure if this is what your after. anyways as long as the the array remains the same size, than this should work for you.

$gamey = array ("wow" => "World of Warcraft", "gw2" => "Guild Wars2", "wiz101" => "Wizard 101");
$gamex = array ("gw2" => "best game", "wiz101" => "WTF?", "wow" => "World greatest");


function match_arrayKeys ($x, $y)
{
    $keys    = array_keys ($x);
    $values  = array_values ($y);

    for ($x = 0; $x < count ($keys); $x++)
    {
        $newarray [$keys[$x]] = $y[$keys[$x]];
    }
    return $newarray;
}

print_r (match_arrayKeys ($gamey, $gamex)); 

Output

[wow] => World greatest
[gw2] => best game
[wiz101] => WTF?

Answer 5

You can use array_replace

$arr1 = [
    'x' => '42', 
    'y' => '551',
    'a' => '512',
    'b' => 'gge',
];


$arr2 = [
    'a' => 'ordered',
    'x' => 'this',
    'y' => 'is',
    'b' => 'now',
];

$arr2 = array_replace($arr1, $arr2);

$arr2 is now

[
    'x' => this,
    'y' => is,
    'a' => ordered,
    'b' => now,

]