[mapguide-users] Get ID from base64 selectionXML

[Jim O'Leary]

Is there a way to get the ID of a feature that the user has selected on the
map directly from the selectionXML rather than create a selection object?

I have a toolbar invoke URL button with a key=value pair and the value is
$CurrentSelection. When the user clicks that button, it sends a URL-encoded
string to my server-side program, which, decoded, looks like this:

<?xml version="1.0" encoding="UTF-8"?>
<FeatureSet>
    <Layer id="88faff12-ffff-ffff-8001-005056c00001">
        <Class id="SHP_Schema:Parcels">
            <ID>RiQAAA==</ID>
        </Class>
    </Layer>
</FeatureSet>

Using simplexml, I can extract the value of the ID node in two lines:

$sxe=simplexml_load_string($selectionXML);
$id = (string)$sxe->Layer->Class->ID;


If $id (RiQAAA==) is really base64, I should be able to call 

base64_decode($id);

to get the value of the id, but all I get is F$. What am I missing?

Thanks.


-----
Jim O&#8217;Leary


Technical
Consultant


Pacific Alliance
Technologies

2nd Floor, 24 East 4th Ave, Vancouver
 BC, Canada
V5T1E8

TEL 604.676.6000 TOL 877.691.9171 FAX 604.682.0962 


WEB  http://www.pat.ca/ www.pat.ca 

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