Extract an element from XML

["Angelo Zanetti" <angelo@xxxxxxxxxxxxxxx>]

Hi all, 

I have the following segment of XML:

<BookingReference ReferenceSource="api">165432 </BookingReference>

Now I want to get the value of the BookingReference where the
ReferenceSource = "api". In other words I want to get the value 165432.

I have the following code: 

$ItemConfirmationReference2 = $xpath->query('BookingReference
ReferenceSource' , $Element);

$ItemConfirmationReference =
trim($ItemConfirmationReference2->item(0)->textContent);

The $Element variable passes the node that contains the BookingReference
node.

The tricky part for me is the ="api" part.

Thanks in advance.

A


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