public function reject($reason)
{
//parent promise is rejected - we just reject (there is not ON_REJECTED)
if (is_null($this->data[Store::ON_REJECTED])) {
return parent::reject($reason);
}
//parent promise is rejected by promise - we has new parent promise
if ($reason instanceof PromiseInterface) {
$promiseIdOfResult = $reason->getId();
$this->data[Store::PARENT_ID] = $promiseIdOfResult;
$this->data[Store::ON_FULFILLED] = $this->data[Store::ON_REJECTED];
return $this->getData();
}
//parent promise is rejected by value - we try run ON_REJECTED callback
$onRejectedCallback = unserialize($this->data[Store::ON_REJECTED]);
try {
$result = call_user_func($onRejectedCallback, $reason);
// if $onRejectedCallback can not resolve problem it must throw exception
} catch (\Exception $ex) {
return parent::reject($ex);
}
// if $onRejectedCallback has resolved problem it return result
return parent::resolve($result);
}