Oracle text & xpath / binding variables in php

Hello,
I am using Oracle 10g XE.
Here is the php code for which I have a problem :
$stmt=oci_parse($con, "SELECT NRSS FROM XNRSS WHERE CONTAINS(NRSS, '(HASPATH(/nrss/channel/item/identifier[@assetId=:ASSETID]))')>0");
oci_bind_by_name($stmt, ":ASSETID", $i)) echo "erreur";
This code does not work and I think the reason is that I don't use correctly the variable :ASSETID inside the xpath '(HASPATH(/nrss/channel/item/identifier[@assetId=:ASSETID]))'
How should I use the variable ?
Thanks for your help
Eve

HASPATH and INPATH are not part of XML DB. They offer XPATH like search capabilities based on text indexes.
The XDB way would be
existsNode(NRSS, '/nrss/channel/item/identifier[@assetId=' || :ASSETID || '])')>0";

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Oracle text & xpath / binding variables in php

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