private function _get_many_to_many_post($single_row, $rows, self $foreign_model)
{
$foreign_singular = $foreign_model->singular();
$col = $foreign_singular . '_ids';
$foreign_plural = $foreign_model->plural();
$foreign_ids = array();
$index = array();
if ($single_row) {
$foreign_ids = $rows[$col] ? explode(',', $rows[$col]) : array();
$rows[$foreign_plural] = array();
unset($rows[$col]);
} else {
foreach ($rows as &$row) {
if ($row[$col]) {
foreach (explode(',', $row[$col]) as $id) {
$foreign_ids[] = $id;
$index[$id][] =& $row;
}
}
$row[$foreign_plural] = array();
unset($row[$col], $row);
}
}
$foreign_rows = $foreign_model->many(array('conditions' => array('id' => $foreign_ids)));
if ($single_row) {
$rows[$foreign_plural] = $foreign_rows;
} else {
foreach ($foreign_rows as $row) {
foreach ($index[$row['id']] as &$r) {
$r[$foreign_plural][] = $row;
unset($r);
}
}
}
return $rows;
}
