Retriving cursor from pgplsql function

I resend this post because I can't find any answer for this... I try and
try but can't find how to do this.
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Hi all!
I'm new on postgres stuffs... I'm trying to create several functions to
encapsulate "bussines procedures"... actually I need to return a cursor
to php, and these cursor will be returned by stored procedure in
pg/plsql.
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This is the "head" of function:
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create or replace function match(refcursor,int8) returns=20
refcursor as ' DECLARE
vid ALIAS FOR $2;
vcursor ALIAS FOR $1;
BEGIN
(...)
return vcursor;
(...)
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And this is php call:
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$conn =3D pg_pconnect ($conn_string);
$qry =3D "BEGIN; SELECT=20
matche('cursorsalida',$identificador); fetch all in cursorsalida; ";
$result =3D pg_query ($conn, $qry);
$num =3D pg_num_rows($result);
for ($i=3D0; $i < $num; $i++) {
$r =3D pg_fetch_row($result, $i);
(...)
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The problem with this is than I need to pass the cursor to the
function... when I try to create a function who doesn't receive a
"refcursor" (only "return" the refcursor), I can't use the cursor! I
think I'm not doing this in the best way... actually this works fine,
but I don't want to pass by parameter a cursor...
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Thanks in advance!
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--
Fernando O. Papa


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