David,
> I need an example how to write user function with columns binding and how to
> use it on PHP
If I'm understanding your request correctly:
$dbh = pgpconnect("dbname=db host=dbhost user=dbuser password=pw");
$query = 'SELECT * FROM table WHERE x=$1 AND y=$2 AND z=$3';
$stmt = pg_query_params($dbh, $query, array($x, $y, $z));
-- Gary Chambers
/* Nothing fancy and nothing Microsoft! */
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