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You get this error when there are no results, so the query returns 0 records, and row[0] does not exist. Using another postgres query method you can avoid this error: $result = pg_exec($dbconn, $query); $numrows = pg_numrows($result); // Loop through rows in the result set for($i = 0; $i < $numrows; $i++) { $row = pg_fetch_array($result, $i); ...

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