This work
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$id = dba_open("test.db", "n", "db2");
$DATA="hello world";
dba_insert(testID, $DATA, $id);
echo "[" . dba_fetch("testID", $id) . "]\n";
dba_close($id);

These do not work
----------------
$id = dba_open("test.db", "r", "db2");
echo dba_fetch("testID", $id) . "\n";
dba_close($id);



$id = dba_open("test.db", "r", "db2");
echo dba_firstkey($id);
dba_close($id);


$id = dba_popen("test.db", "r", "db2");
echo dba_fetch("testID", $id) . "\n";
dba_close($id);