Online PHP editor | output for Hj32c

@ 2018-05-30T14:20:01Z

<?php

const REQUIRED = 1;
const OPTIONAL = 2;
const IS_ARRAY = 4;

$args = [
    'a' => [IS_ARRAY],
    'b' => [OPTIONAL],
    'c' => [REQUIRED],
    'd' => [REQUIRED]
];

    uasort(
      $args,
      function ($a, $b) {
        if ($a[0] & IS_ARRAY === IS_ARRAY) {
          return ($b[0] & IS_ARRAY === IS_ARRAY) ? 0 : 1;
        }
        if ($b[0] & IS_ARRAY === IS_ARRAY) {
          return ($a[0] & IS_ARRAY === IS_ARRAY) ? 0 : -1;
        }

        if ($a[0] & OPTIONAL === OPTIONAL) {
          return ($b[0] & OPTIONAL === OPTIONAL) ? 0 : 1;
        }
        if ($b[0] & OPTIONAL === OPTIONAL) {
          return ($a[0] & OPTIONAL === OPTIONAL) ? 0 : -1;
        }

        return 0;
      }
    );

var_dump($args);

Output for 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 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: array(4) { ["a"]=> array(1) { [0]=> int(4) } ["b"]=> array(1) { [0]=> int(2) } ["c"]=> array(1) { [0]=> int(1) } ["d"]=> array(1) { [0]=> int(1) } }
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) { ["a"]=> array(1) { [0]=> int(4) } ["b"]=> array(1) { [0]=> int(2) } ["c"]=> array(1) { [0]=> int(1) } ["d"]=> array(1) { [0]=> int(1) } }

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