Creating a foreach array from multiple xml elements

Question

I have been trying to create a foreach loop that will get every ListingId from the XML file but for some reason I can only get one 'Id'

XML STRUCTURE:

<List>
    <Listing>
        <ListingId></ListingId>
</Listing>
    <Listing>
        <ListingId></ListingId>
</Listing>
    <Listing>
        <ListingId></ListingId>
</Listing>
</List>

PHP:

$xml = simplexml_load_file("domain.co.nz/xml.xml");

        foreach($xml->List->Listing->ListingId as $value)
        {

            $xmlArray[] = $value;
        }

I assume you're using SimpleXML from your incomplete code. It would be worth including those lines as well. Also, despite the name, SimpleXML ends up being less simple than DOM for any non-trivial XML processing. You'll be much better served to learn how to use DOM instead. — user895378
– user895378, Commented Nov 14, 2012 at 2:12
try list: foreach($xml->List), if $value is tree object, you are on way to parse it, but you'll need to have other nested forcycles. Not sure if is it best way. But good to imagine. — Jirka Kopřiva
– Jirka Kopřiva, Commented Nov 14, 2012 at 2:13
@rdlowrey I have included my one and only SimpleXML line of code — Jess McKenzie
– Jess McKenzie, Commented Nov 14, 2012 at 2:21
@JirkaKopřiva List showed all the data but then I still have to go Listing to get the id and I am still getting one — Jess McKenzie
– Jess McKenzie, Commented Nov 14, 2012 at 2:24

David Müller · Accepted Answer · 2012-11-14 02:25:04Z

1

<?php
$xml = '<List>
    <Listing>
        <ListingId>12</ListingId>
</Listing>
    <Listing>
        <ListingId>13</ListingId>
</Listing>
    <Listing>
        <ListingId>14</ListingId>
</Listing>
</List>';


$xml = simplexml_load_string($xml);
$arr = array();

foreach($xml->Listing as $value)
{
    $arr[] = intval($value->ListingId);
}

print_r($arr); //Array ( [0] => 12 [1] => 13 [2] => 14 )

answered Nov 14, 2012 at 2:25

David Müller

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4 Comments

Jess McKenzie Over a year ago

David how could I do that from an external document

David Müller Over a year ago

Exactly like you did. This was just a convenience move for me to be able to test this without creating an xml file. Just stick to $xml = simplexml_load_file("domain.co.nz/xml.xml"); which is doing exactly the same, but from a file.

Jess McKenzie Over a year ago

Thanks David, I have copied and your code and all I am getting is an Array ( )

Jess McKenzie Over a year ago

Changed the foreach to List->Listing->

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