3v4l.org

run code in 300+ PHP versions simultaneously

@ 2017-09-20T20:43:05Z

<?php
function array_flatten($array) { 
  if (!is_array($array)) { 
    return false; 
  } 
  $result = array(); 
  foreach ($array as $key => $value) { 
    if (is_array($value)) { 
      $result = array_merge($result, array_flatten($value)); 
    } else { 
      $result[$key] = $value; 
    } 
  } 
  return $result; 
}

$addresses = array_flatten([
    'firstname' => 'first',
    'middle' => 'middle',
    'lastname' => 'last',
    'address' => [ 
        'street' => 'streeeeeet',
        'housenumber' => '10'
        ]
]);


$allowedKeys = [
    'firstname',
    'middlename',
    'street',
    'lastname',
    'housenumber',
];



foreach ($allowedKeys as $key) {
    if (array_key_exists($key, $addresses)) {
        if (is_array($addresses[$key])) {
            $address[$key] = array_walk_recursive($addresses[$key], function() { 
                
            });;
        } else {
            $address[$key] = $addresses[$key];
        }
    }
}




var_dump($address);

Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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(4) { ["firstname"]=> string(5) "first" ["street"]=> string(10) "streeeeeet" ["lastname"]=> string(4) "last" ["housenumber"]=> string(2) "10" }
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(4) { ["firstname"]=> string(5) "first" ["street"]=> string(10) "streeeeeet" ["lastname"]=> string(4) "last" ["housenumber"]=> string(2) "10" }

preferences:dark modelive preview

177.06 ms | 402 KiB | 291 Q