Online PHP editor | output for LHrtN

@ 2016-05-09T15:34:38Z

<?php

$array = [
    'de' => [
        'label' => 'German',
        'id' => 912
    ],
    'cn' => [
        'label' => 'Chinese',
        'id' => 913
    ]
];

// Initial attempt
$translations = array_map(
    function ($array) {
        unset($array['id']);
        return $array['label'];
    },
    $array
);

var_dump($translations);

// Actual
//[
//    0 => [
//        'de' => 'German'
//    ], 
//    1 => [
//        'cn' 'Chinese'
//    ]
//]

// Desired
//[
//    'de' => 'German',
//    'cn' => 'Chinese'
//]

// Works declaratively via the following...
$newArray = [];
foreach ($array as $key => $value) {
    $newArray[$key] = $value['label'];
}

var_dump($newArray);

Output for 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: array(2) { ["de"]=> string(6) "German" ["cn"]=> string(7) "Chinese" } array(2) { ["de"]=> string(6) "German" ["cn"]=> string(7) "Chinese" }
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array(2) { ["de"]=> string(6) "German" ["cn"]=> string(7) "Chinese" } array(2) { ["de"]=> string(6) "German" ["cn"]=> string(7) "Chinese" }

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