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   1  <?php
   2  
   3  namespace React\Promise;
   4  
   5  /**
   6   * @deprecated 2.8.0 External usage of FulfilledPromise is deprecated, use `resolve()` instead.
   7   */
   8  class FulfilledPromise implements ExtendedPromiseInterface, CancellablePromiseInterface
   9  {
  10      private $value;
  11  
  12      public function __construct($value = null)
  13      {
  14          if ($value instanceof PromiseInterface) {
  15              throw new \InvalidArgumentException('You cannot create React\Promise\FulfilledPromise with a promise. Use React\Promise\resolve($promiseOrValue) instead.');
  16          }
  17  
  18          $this->value = $value;
  19      }
  20  
  21      public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
  22      {
  23          if (null === $onFulfilled) {
  24              return $this;
  25          }
  26  
  27          try {
  28              return resolve($onFulfilled($this->value));
  29          } catch (\Throwable $exception) {
  30              return new RejectedPromise($exception);
  31          } catch (\Exception $exception) {
  32              return new RejectedPromise($exception);
  33          }
  34      }
  35  
  36      public function done(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
  37      {
  38          if (null === $onFulfilled) {
  39              return;
  40          }
  41  
  42          $result = $onFulfilled($this->value);
  43  
  44          if ($result instanceof ExtendedPromiseInterface) {
  45              $result->done();
  46          }
  47      }
  48  
  49      public function otherwise(callable $onRejected)
  50      {
  51          return $this;
  52      }
  53  
  54      public function always(callable $onFulfilledOrRejected)
  55      {
  56          return $this->then(function ($value) use ($onFulfilledOrRejected) {
  57              return resolve($onFulfilledOrRejected())->then(function () use ($value) {
  58                  return $value;
  59              });
  60          });
  61      }
  62  
  63      public function progress(callable $onProgress)
  64      {
  65          return $this;
  66      }
  67  
  68      public function cancel()
  69      {
  70      }
  71  }