FieldtypeTable update row via api.

[fliwire]

module bug or wrong usage ?
ptable has 3 row data

// this work
$page->of(false);

foreach ($page->ptable() as $key => $item) {
	$item->test = "test444";
}

$page->save("ptable");


// this not works
// any selector cause not save
$page->of(false);

foreach ($page->ptable("start=0, limit=10") as $key => $item) {
	$item->test = "test444";
}

$page->save("ptable");