3v4l.org

run code in 300+ PHP versions simultaneously

@ 2021-06-14T22:47:00Z

<?php

$array = [
    'vehicle info' => [
        'one' => [
            'submodel' => 'LX',
            'engine' => 2.3
        ],
        'two' => [
            'color' => 'blue',
            'year' => 2007,
            'wheels' => 4
        ],
        'three' => [
            'submodel' => 'LX',
            'make' => 'Ford',
            'model' => 'F-150',
            'offroad' => 'No'
        ]
    ]
];

$soughtKeys = array_flip(['submodel', 'offroad']);

function earlyReturningRecursion(array $array, array $soughtKeys, array &$result = []): array
{
    foreach ($array as $key => $value) {
        if (!array_diff_key($soughtKeys, $result)) {
            return $result;
        } elseif (is_array($value)) {
            earlyReturningRecursion($value, $soughtKeys, $result);
        } elseif (isset($soughtKeys[$key]) && !isset($result[$key])) {
            $result[$key] = "$key is $value";
        }
    }
    return $result;
}
var_export(earlyReturningRecursion($array, $soughtKeys));

Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.4, 8.3.6 - 8.3.26, 8.4.1 - 8.4.13: array ( 'submodel' => 'submodel is LX', 'offroad' => 'offroad is No', )
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 ( 'submodel' => 'submodel is LX', 'offroad' => 'offroad is No', )

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