If you're trying to prevent duplicate form submissions, you can use the
Controller::postConditions method, as follows:
(in your controller):
if ($this->Model->hasAny($this->postConditions($this->data))) {
// Error, duplicate submission
} else {
$this->Model->save($this->data);
}
If your model's table has a 'created' field, you can also use that when
searching for duplicates, to restrict the search to, say, the last 5
minutes.
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