PHP ʖ²ἯTH º󍋼/A pg_fetch_row =ד 1. Postgres fetch row ?php $conn = pg_pconnect ("dbname=publisher"); if (!$conn) {echo "An error occured.\n"; exit;} $result = pg_query ($conn, "SELECT * FROM authors"); if (!$result) {echo "An error occured.\n"; exit;} $num = pg_num_rows($result); for ($i=0; $i $num; $i++) {$r = pg_fetch_row($result, $i); for ($j=0; $j count($r); $j++) {echo "$r[$j] nbsp;";} echo "BR ";}? º󍋼/A ưµ㼯A pg_fetch_result ɏһ¼¶ pg_field_is_null