Online PHP editor | output for IIWdf

@ 2016-01-22T11:39:29Z

<?php

function extend($base, $replacements) {
    $base = !is_array($base) ? array() : $base;
    $replacements = !is_array($replacements) ? array() : $replacements;

    $ret = array();
    foreach ($base as $key => $val) {
        if (is_int($key)) { // value without key
            $ret[$val] = null;
        } else {
            $ret[$key] = $val;
        }
    }

    return array_replace_recursive($ret, $replacements);        
}

var_dump(extend(array('foo' => 'bar'), array('bar' => 'baz')));
var_dump(extend(array('foo' => 'bar'), array('foo' => 'foo')));
var_dump(extend(array('bar' => 'baz'), array('bar' => 'bar')));

Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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) { ["foo"]=> string(3) "bar" ["bar"]=> string(3) "baz" } array(1) { ["foo"]=> string(3) "foo" } array(1) { ["bar"]=> string(3) "bar" }
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) { ["foo"]=> string(3) "bar" ["bar"]=> string(3) "baz" } array(1) { ["foo"]=> string(3) "foo" } array(1) { ["bar"]=> string(3) "bar" }

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