setting an array from simple_xml data

Question

I am trying to create an array of titles from an xml feed using this code:

$url = 'https://indiegamestand.com/store/salefeed.php';
$xml = simplexml_load_string(file_get_contents($url));

$on_sale = array();

foreach ($xml->channel->item as $game)
{
    echo $game->{'title'} . "\n";
    $on_sale[] = $game->{'title'};
}

print_r($on_sale);

The echo $game->{'title'} . "\n"; returns the correct title, but when setting the title to the array i get spammed with this:

Array
(
    [0] => SimpleXMLElement Object
        (
            [0] => SimpleXMLElement Object
                (
                )

        )

    [1] => SimpleXMLElement Object
        (
            [0] => SimpleXMLElement Object
                (
                )

        )

    [2] => SimpleXMLElement Object
        (
            [0] => SimpleXMLElement Object
                (
                )

        )

Am I missing something when setting this array?

Hein Andre Grønnestad · Accepted Answer · 2013-12-12 13:50:01Z

2

Use this:

$on_sale[] = $game->{'title'}->__toString();

or even better (in my opinion):

$on_sale[] = (string) $game->{'title'};

PHP doesn't know that you want the string value when you add the object to the array, so __toString() doesn't get called automatically like it does in the echo call. When you cast the object to string, __toString() is called automatically.

FYI: You don't really need the curly braces either, this works fine for me:

$on_sale[] = (string) $game->title;

edited Dec 12, 2013 at 13:50

answered Dec 12, 2013 at 13:44

Hein Andre Grønnestad

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