pg_lo_create

<?php// --------- OPEN CONN ---   $conn = pg_connect("host='127.0.0.1' dbname='test' user='usertest' password='passtest'");// --------- OPEN FILE ---   $fp = fopen('logo.gif', "r");   $buffer = fread($fp, filesize('logo.gif'));   fclose($fp);// --------- CREATE - INSERT OID ---   pg_exec($conn, "begin");   $oid = pg_locreate($conn);   $rs = pg_exec($conn,"INSERT INTO test(tipo, images) VALUES('A1', $oid);");   $handle = pg_loopen ($conn, $oid, "w");   pg_lowrite ($handle, $buffer);   pg_loclose ($handle);   pg_exec($conn, "commit");// --------- OPEN - INSERT OID ---   $rs = pg_exec($conn, "SELECT images FROM test WHERE tipo = 'A1';");   $row = pg_fetch_row($rs, 0);   pg_exec($conn, "begin");   $loid = pg_loopen($conn, $row[0], "r");   header("Content-type: image/gif");   pg_loreadall($loid);   pg_loclose($loid);   pg_exec ($conn, "commit");// --------- UNLINK OID ---   pg_exec($conn, "begin");   $loid = $row[0];   pg_lounlink($conn, $loid);   pg_exec ($conn, "commit");// --------- DELETE OID ---   pg_exec($conn, "DELETE FROM test WHERE tipo = 'A1';");// --------- CLOSE CONN ---   pg_close();?>