A promise represents the eventual result of an asynchronous operation.
The primary way of interacting with a promise is through its then method,
which registers callbacks to receive either a promise’s eventual value or
the reason why the promise cannot be fulfilled.
| Constants |
| public GuzzleHttp\Promise\PromiseInterface ::FULFILLED = 'fulfilled' |
| public GuzzleHttp\Promise\PromiseInterface ::PENDING = 'pending' |
| public GuzzleHttp\Promise\PromiseInterface ::REJECTED = 'rejected' |
| Methods |
|
public
abstract
cancel
() |
|
public
abstract
getState
() Get the state of the promise ("pending", "rejected", or "fulfilled"). The three states can be checked against the constants defined on
|
|
public
abstract
otherwise
(
callable
$onRejected
) Appends a rejection handler callback to the promise, and returns a new |
|
public
abstract
reject
(
$reason
) Reject the promise with the given reason.
|
|
public
abstract
resolve
(
$value
) Resolve the promise with the given value.
|
|
public
abstract
then
(
?
callable
$onFulfilled
=
NULL
,
?
callable
$onRejected
=
NULL
) Appends fulfillment and rejection handlers to the promise, and returns |
|
public
abstract
wait
(
$unwrap
=
true
) Waits until the promise completes if possible. Pass $unwrap as true to unwrap the result of the promise, either If the promise cannot be waited on, then the promise will be rejected.
|