<?php
$db =& DB::connect('ibase(firebird)://user:pw@localhost/path/file');

$db->autoCommit(false);

$db->query('CREATE TABLE blah (a integer)');
$db->query('CREATE TABLE blue (b integer)');
$db->commit();

$db->query('INSERT INTO blah (a) VALUES (11)');
$db->query('INSERT INTO blah (a) VALUES (12)');

$res1 =& $db->query('SELECT a FROM blah');
if (DB::isError($res1)) {
    echo $res1->getMessage() . "\n";
}
$i = 1;
while ($res1->fetchInto($row, DB_FETCHMODE_ORDERED)) {
    echo "fetch data $row[0]\n";
    echo "insert number $i...\n";
    $res2 =& $db->query("INSERT INTO blue (b) VALUES ($i)");
    if (DB::isError($res2)) {
        echo $res2->getMessage() . "\n";
    }
    $i++;
}
$res1->free();

$db->query('DROP TABLE blah');
$db->query('DROP TABLE blue');
$db->commit();
?>