Replace array php

Question

[lang_1] => Array
    (
        [0] => Array
            (
                [answer] => satu
                [status_answer] => 2
                [key_array] => 0
                [language] => lang_1
            )

        [1] => Array
            (
                [answer] => dua_en
                [status_answer] => 3
                [key_array] => 
                [language] => lang_1
            )

        [2] => Array
            (
                [answer] => lima
                [status_answer] => 3
                [key_array] => 
                [language] => lang_1
            )

        [3] => Array
            (
                [answer] => enam
                [status_answer] => 3
                [key_array] => 
                [language] => lang_1
            )

    )

[lang_2] => Array
    (
        [0] => Array
            (
                [answer] => satu
                [status_answer] => 3
                [key_array] => 
                [language] => lang_2
            )

        [1] => Array
            (
                [answer] => dua_en
                [status_answer] => 2
                [key_array] => 1
                [language] => lang_2
            )

        [2] => Array
            (
                [answer] => lima
                [status_answer] => 3
                [key_array] => 
                [language] => lang_2
            )

        [3] => Array
            (
                [answer] => enam
                [status_answer] => 3
                [key_array] => 
                [language] => lang_2
            )

    )

I have this two array. My problem is, how i can replace array in lang_1 with array in lang_2 where status_answer = 2 only

What if there are multiple elements in lang_2 where status_answer = 2? — Barmar
– Barmar, Commented Apr 3, 2015 at 3:18
That will not happen.. But if happen. Just take the value in lang_2. Just want to replace from lang_2 to lang_1 — Shahrul Nazuhan Salim
– Shahrul Nazuhan Salim, Commented Apr 3, 2015 at 3:43
So write a loop that finds the element in lang_2 that has the value you want. Then write a loop that finds the element in lang_1 that you want to replace, and replace it. — Barmar
– Barmar, Commented Apr 3, 2015 at 3:44

Barmar · Accepted Answer · 2015-04-03 03:46:58Z

0

First search lang_2 for the element you want:

foreach ($array['lang_2'] as $el) {
    if ($el['status_answer'] == 2) {
        $replacement = $el;
        break;
    }
}

Then search lang_1 for the element you want to replace:

foreach ($array['lang_1'] as &$el) {
    if ($el['status_answer'] == 2) {
        $el = $replacement;
    }
}

answered Apr 3, 2015 at 3:46

Barmar

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