Thanks for the response,
Here is what I did, in case it proves useful:
my app_model.php:
<?php
class AppModel extends Model {
var $empty_to_null;
function beforeSave()
{
if (is_array($this->empty_to_null)) {
foreach ($this->empty_to_null as $model => $fields) {
foreach ($fields as $field) {
if (isset($this->data[$model][$field])&&
trim($this->data[$model][$field]) == '') {
$this->data[$model][$field] = null;
}
}
}
}
return true;
}
}
?>
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