Append multiple array values into single value

Question

I have two PHP arrays, and would like to append the value of the first array to the second array to create a new array which reiterates the original order but combines both values. I have tried the PHP array_merge but this just appends the new array but not merge into single values.

Array
(
    [0] => Array
        (
            [title] => Item 1
        )
    [1] => Array
        (
            [title] => Item 2
        )
    [2] => Array
        (
            [title] => Item 3
        )
    [3] => Array
        (
            [title] => Item 4
        )
)

Second array;

Array
(
    [0] => Array
        (
            [count] => 3
        )
    [1] => Array
        (
            [count] => 6
        )
    [2] => Array
        (
            [count] => 9
        )
    [3] => Array
        (
            [count] => 2
        )
)

Completed array;

Array
(
    [0] => Array
        (
            [title_count] => Item 1 (3)
        )
    [1] => Array
        (
            [title_count] => Item 2 (6)
        )
    [2] => Array
        (
            [title_count] => Item 3 (9)
        )
    [3] => Array
        (
            [title_count] => Item 4 (2)
        )
)

I don't think there's anything built-in that will do this. You'll have to write a loop that does it. I've never before seen the need to concatenate array keys like that. — Barmar
– Barmar, Commented Sep 21, 2016 at 23:00

Barmar · Accepted Answer · 2016-09-21 23:03:18Z

1

Just use a foreach loop.

$result = array();
foreach ($array1 as $i => $element) {
    $title = $element['title'];
    $count = $array2[$i]['count'];
    $result[] = array('title_count' => "$title ($count)");
}

answered Sep 21, 2016 at 23:03

Barmar

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