[PHP-DEV] Behaviour of $array1 + $array2

[Markus Fischer]

Can someone point me where the following behaviour is documented:

    $ php -q
    <? 
    $foo = array(27 => 'Ene');
    $bar = array(-1 => 'Mene');

        $baz = $foo + $bar;

    var_dump($baz);
    ?>
    array(2) {
      [27]=>
      string(3) "Ene"
      [-1]=>
      string(4) "Mene"
    }

cheers

    - Markus

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