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vendor/react/promise/LICENSE

@@ -0,0 +1,24 @@
+The MIT License (MIT)
+
+Copyright (c) 2012 Jan Sorgalla, Christian Lück, Cees-Jan Kiewiet, Chris Boden
+
+Permission is hereby granted, free of charge, to any person
+obtaining a copy of this software and associated documentation
+files (the "Software"), to deal in the Software without
+restriction, including without limitation the rights to use,
+copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.

vendor/react/promise/src/CancellablePromiseInterface.php

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+<?php
+
+namespace React\Promise;
+
+interface CancellablePromiseInterface extends PromiseInterface
+{
+    /**
+     * The `cancel()` method notifies the creator of the promise that there is no
+     * further interest in the results of the operation.
+     *
+     * Once a promise is settled (either fulfilled or rejected), calling `cancel()` on
+     * a promise has no effect.
+     *
+     * @return void
+     */
+    public function cancel();
+}

vendor/react/promise/src/CancellationQueue.php

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+<?php
+
+namespace React\Promise;
+
+class CancellationQueue
+{
+    private $started = false;
+    private $queue = [];
+
+    public function __invoke()
+    {
+        if ($this->started) {
+            return;
+        }
+
+        $this->started = true;
+        $this->drain();
+    }
+
+    public function enqueue($cancellable)
+    {
+        if (!\is_object($cancellable) || !\method_exists($cancellable, 'then') || !\method_exists($cancellable, 'cancel')) {
+            return;
+        }
+
+        $length = \array_push($this->queue, $cancellable);
+
+        if ($this->started && 1 === $length) {
+            $this->drain();
+        }
+    }
+
+    private function drain()
+    {
+        for ($i = key($this->queue); isset($this->queue[$i]); $i++) {
+            $cancellable = $this->queue[$i];
+
+            $exception = null;
+
+            try {
+                $cancellable->cancel();
+            } catch (\Throwable $exception) {
+            } catch (\Exception $exception) {
+            }
+
+            unset($this->queue[$i]);
+
+            if ($exception) {
+                throw $exception;
+            }
+        }
+
+        $this->queue = [];
+    }
+}

vendor/react/promise/src/Deferred.php

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+<?php
+
+namespace React\Promise;
+
+class Deferred implements PromisorInterface
+{
+    private $promise;
+    private $resolveCallback;
+    private $rejectCallback;
+    private $notifyCallback;
+    private $canceller;
+
+    public function __construct(callable $canceller = null)
+    {
+        $this->canceller = $canceller;
+    }
+
+    public function promise()
+    {
+        if (null === $this->promise) {
+            $this->promise = new Promise(function ($resolve, $reject, $notify) {
+                $this->resolveCallback = $resolve;
+                $this->rejectCallback  = $reject;
+                $this->notifyCallback  = $notify;
+            }, $this->canceller);
+            $this->canceller = null;
+        }
+
+        return $this->promise;
+    }
+
+    public function resolve($value = null)
+    {
+        $this->promise();
+
+        \call_user_func($this->resolveCallback, $value);
+    }
+
+    public function reject($reason = null)
+    {
+        $this->promise();
+
+        \call_user_func($this->rejectCallback, $reason);
+    }
+
+    /**
+     * @deprecated 2.6.0 Progress support is deprecated and should not be used anymore.
+     * @param mixed $update
+     */
+    public function notify($update = null)
+    {
+        $this->promise();
+
+        \call_user_func($this->notifyCallback, $update);
+    }
+
+    /**
+     * @deprecated 2.2.0
+     * @see Deferred::notify()
+     */
+    public function progress($update = null)
+    {
+        $this->notify($update);
+    }
+}

vendor/react/promise/src/Exception/LengthException.php

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+<?php
+
+namespace React\Promise\Exception;
+
+class LengthException extends \LengthException
+{
+}

vendor/react/promise/src/ExtendedPromiseInterface.php

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+<?php
+
+namespace React\Promise;
+
+interface ExtendedPromiseInterface extends PromiseInterface
+{
+    /**
+     * Consumes the promise's ultimate value if the promise fulfills, or handles the
+     * ultimate error.
+     *
+     * It will cause a fatal error if either `$onFulfilled` or
+     * `$onRejected` throw or return a rejected promise.
+     *
+     * Since the purpose of `done()` is consumption rather than transformation,
+     * `done()` always returns `null`.
+     *
+     * @param callable|null $onFulfilled
+     * @param callable|null $onRejected
+     * @param callable|null $onProgress This argument is deprecated and should not be used anymore.
+     * @return void
+     */
+    public function done(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null);
+
+    /**
+     * Registers a rejection handler for promise. It is a shortcut for:
+     *
+     * ```php
+     * $promise->then(null, $onRejected);
+     * ```
+     *
+     * Additionally, you can type hint the `$reason` argument of `$onRejected` to catch
+     * only specific errors.
+     *
+     * @param callable $onRejected
+     * @return ExtendedPromiseInterface
+     */
+    public function otherwise(callable $onRejected);
+
+    /**
+     * Allows you to execute "cleanup" type tasks in a promise chain.
+     *
+     * It arranges for `$onFulfilledOrRejected` to be called, with no arguments,
+     * when the promise is either fulfilled or rejected.
+     *
+     * * If `$promise` fulfills, and `$onFulfilledOrRejected` returns successfully,
+     *    `$newPromise` will fulfill with the same value as `$promise`.
+     * * If `$promise` fulfills, and `$onFulfilledOrRejected` throws or returns a
+     *    rejected promise, `$newPromise` will reject with the thrown exception or
+     *    rejected promise's reason.
+     * * If `$promise` rejects, and `$onFulfilledOrRejected` returns successfully,
+     *    `$newPromise` will reject with the same reason as `$promise`.
+     * * If `$promise` rejects, and `$onFulfilledOrRejected` throws or returns a
+     *    rejected promise, `$newPromise` will reject with the thrown exception or
+     *    rejected promise's reason.
+     *
+     * `always()` behaves similarly to the synchronous finally statement. When combined
+     * with `otherwise()`, `always()` allows you to write code that is similar to the familiar
+     * synchronous catch/finally pair.
+     *
+     * Consider the following synchronous code:
+     *
+     * ```php
+     * try {
+     *     return doSomething();
+     * } catch(\Exception $e) {
+     *     return handleError($e);
+     * } finally {
+     *     cleanup();
+     * }
+     * ```
+     *
+     * Similar asynchronous code (with `doSomething()` that returns a promise) can be
+     * written:
+     *
+     * ```php
+     * return doSomething()
+     *     ->otherwise('handleError')
+     *     ->always('cleanup');
+     * ```
+     *
+     * @param callable $onFulfilledOrRejected
+     * @return ExtendedPromiseInterface
+     */
+    public function always(callable $onFulfilledOrRejected);
+
+    /**
+     * Registers a handler for progress updates from promise. It is a shortcut for:
+     *
+     * ```php
+     * $promise->then(null, null, $onProgress);
+     * ```
+     *
+     * @param callable $onProgress
+     * @return ExtendedPromiseInterface
+     * @deprecated 2.6.0 Progress support is deprecated and should not be used anymore.
+     */
+    public function progress(callable $onProgress);
+}

vendor/react/promise/src/FulfilledPromise.php

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+<?php
+
+namespace React\Promise;
+
+/**
+ * @deprecated 2.8.0 External usage of FulfilledPromise is deprecated, use `resolve()` instead.
+ */
+class FulfilledPromise implements ExtendedPromiseInterface, CancellablePromiseInterface
+{
+    private $value;
+
+    public function __construct($value = null)
+    {
+        if ($value instanceof PromiseInterface) {
+            throw new \InvalidArgumentException('You cannot create React\Promise\FulfilledPromise with a promise. Use React\Promise\resolve($promiseOrValue) instead.');
+        }
+
+        $this->value = $value;
+    }
+
+    public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        if (null === $onFulfilled) {
+            return $this;
+        }
+
+        try {
+            return resolve($onFulfilled($this->value));
+        } catch (\Throwable $exception) {
+            return new RejectedPromise($exception);
+        } catch (\Exception $exception) {
+            return new RejectedPromise($exception);
+        }
+    }
+
+    public function done(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        if (null === $onFulfilled) {
+            return;
+        }
+
+        $result = $onFulfilled($this->value);
+
+        if ($result instanceof ExtendedPromiseInterface) {
+            $result->done();
+        }
+    }
+
+    public function otherwise(callable $onRejected)
+    {
+        return $this;
+    }
+
+    public function always(callable $onFulfilledOrRejected)
+    {
+        return $this->then(function ($value) use ($onFulfilledOrRejected) {
+            return resolve($onFulfilledOrRejected())->then(function () use ($value) {
+                return $value;
+            });
+        });
+    }
+
+    public function progress(callable $onProgress)
+    {
+        return $this;
+    }
+
+    public function cancel()
+    {
+    }
+}

vendor/react/promise/src/LazyPromise.php

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+<?php
+
+namespace React\Promise;
+
+/**
+ * @deprecated 2.8.0 LazyPromise is deprecated and should not be used anymore.
+ */
+class LazyPromise implements ExtendedPromiseInterface, CancellablePromiseInterface
+{
+    private $factory;
+    private $promise;
+
+    public function __construct(callable $factory)
+    {
+        $this->factory = $factory;
+    }
+
+    public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        return $this->promise()->then($onFulfilled, $onRejected, $onProgress);
+    }
+
+    public function done(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        return $this->promise()->done($onFulfilled, $onRejected, $onProgress);
+    }
+
+    public function otherwise(callable $onRejected)
+    {
+        return $this->promise()->otherwise($onRejected);
+    }
+
+    public function always(callable $onFulfilledOrRejected)
+    {
+        return $this->promise()->always($onFulfilledOrRejected);
+    }
+
+    public function progress(callable $onProgress)
+    {
+        return $this->promise()->progress($onProgress);
+    }
+
+    public function cancel()
+    {
+        return $this->promise()->cancel();
+    }
+
+    /**
+     * @internal
+     * @see Promise::settle()
+     */
+    public function promise()
+    {
+        if (null === $this->promise) {
+            try {
+                $this->promise = resolve(\call_user_func($this->factory));
+            } catch (\Throwable $exception) {
+                $this->promise = new RejectedPromise($exception);
+            } catch (\Exception $exception) {
+                $this->promise = new RejectedPromise($exception);
+            }
+        }
+
+        return $this->promise;
+    }
+}

vendor/react/promise/src/Promise.php

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+<?php
+
+namespace React\Promise;
+
+class Promise implements ExtendedPromiseInterface, CancellablePromiseInterface
+{
+    private $canceller;
+    private $result;
+
+    private $handlers = [];
+    private $progressHandlers = [];
+
+    private $requiredCancelRequests = 0;
+    private $cancelRequests = 0;
+
+    public function __construct(callable $resolver, callable $canceller = null)
+    {
+        $this->canceller = $canceller;
+
+        // Explicitly overwrite arguments with null values before invoking
+        // resolver function. This ensure that these arguments do not show up
+        // in the stack trace in PHP 7+ only.
+        $cb = $resolver;
+        $resolver = $canceller = null;
+        $this->call($cb);
+    }
+
+    public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        if (null !== $this->result) {
+            return $this->result->then($onFulfilled, $onRejected, $onProgress);
+        }
+
+        if (null === $this->canceller) {
+            return new static($this->resolver($onFulfilled, $onRejected, $onProgress));
+        }
+
+        // This promise has a canceller, so we create a new child promise which
+        // has a canceller that invokes the parent canceller if all other
+        // followers are also cancelled. We keep a reference to this promise
+        // instance for the static canceller function and clear this to avoid
+        // keeping a cyclic reference between parent and follower.
+        $parent = $this;
+        ++$parent->requiredCancelRequests;
+
+        return new static(
+            $this->resolver($onFulfilled, $onRejected, $onProgress),
+            static function () use (&$parent) {
+                if (++$parent->cancelRequests >= $parent->requiredCancelRequests) {
+                    $parent->cancel();
+                }
+
+                $parent = null;
+            }
+        );
+    }
+
+    public function done(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        if (null !== $this->result) {
+            return $this->result->done($onFulfilled, $onRejected, $onProgress);
+        }
+
+        $this->handlers[] = static function (ExtendedPromiseInterface $promise) use ($onFulfilled, $onRejected) {
+            $promise
+                ->done($onFulfilled, $onRejected);
+        };
+
+        if ($onProgress) {
+            $this->progressHandlers[] = $onProgress;
+        }
+    }
+
+    public function otherwise(callable $onRejected)
+    {
+        return $this->then(null, static function ($reason) use ($onRejected) {
+            if (!_checkTypehint($onRejected, $reason)) {
+                return new RejectedPromise($reason);
+            }
+
+            return $onRejected($reason);
+        });
+    }
+
+    public function always(callable $onFulfilledOrRejected)
+    {
+        return $this->then(static function ($value) use ($onFulfilledOrRejected) {
+            return resolve($onFulfilledOrRejected())->then(function () use ($value) {
+                return $value;
+            });
+        }, static function ($reason) use ($onFulfilledOrRejected) {
+            return resolve($onFulfilledOrRejected())->then(function () use ($reason) {
+                return new RejectedPromise($reason);
+            });
+        });
+    }
+
+    public function progress(callable $onProgress)
+    {
+        return $this->then(null, null, $onProgress);
+    }
+
+    public function cancel()
+    {
+        if (null === $this->canceller || null !== $this->result) {
+            return;
+        }
+
+        $canceller = $this->canceller;
+        $this->canceller = null;
+
+        $this->call($canceller);
+    }
+
+    private function resolver(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        return function ($resolve, $reject, $notify) use ($onFulfilled, $onRejected, $onProgress) {
+            if ($onProgress) {
+                $progressHandler = static function ($update) use ($notify, $onProgress) {
+                    try {
+                        $notify($onProgress($update));
+                    } catch (\Throwable $e) {
+                        $notify($e);
+                    } catch (\Exception $e) {
+                        $notify($e);
+                    }
+                };
+            } else {
+                $progressHandler = $notify;
+            }
+
+            $this->handlers[] = static function (ExtendedPromiseInterface $promise) use ($onFulfilled, $onRejected, $resolve, $reject, $progressHandler) {
+                $promise
+                    ->then($onFulfilled, $onRejected)
+                    ->done($resolve, $reject, $progressHandler);
+            };
+
+            $this->progressHandlers[] = $progressHandler;
+        };
+    }
+
+    private function reject($reason = null)
+    {
+        if (null !== $this->result) {
+            return;
+        }
+
+        $this->settle(reject($reason));
+    }
+
+    private function settle(ExtendedPromiseInterface $promise)
+    {
+        $promise = $this->unwrap($promise);
+
+        if ($promise === $this) {
+            $promise = new RejectedPromise(
+                new \LogicException('Cannot resolve a promise with itself.')
+            );
+        }
+
+        $handlers = $this->handlers;
+
+        $this->progressHandlers = $this->handlers = [];
+        $this->result = $promise;
+        $this->canceller = null;
+
+        foreach ($handlers as $handler) {
+            $handler($promise);
+        }
+    }
+
+    private function unwrap($promise)
+    {
+        $promise = $this->extract($promise);
+
+        while ($promise instanceof self && null !== $promise->result) {
+            $promise = $this->extract($promise->result);
+        }
+
+        return $promise;
+    }
+
+    private function extract($promise)
+    {
+        if ($promise instanceof LazyPromise) {
+            $promise = $promise->promise();
+        }
+
+        return $promise;
+    }
+
+    private function call(callable $cb)
+    {
+        // Explicitly overwrite argument with null value. This ensure that this
+        // argument does not show up in the stack trace in PHP 7+ only.
+        $callback = $cb;
+        $cb = null;
+
+        // Use reflection to inspect number of arguments expected by this callback.
+        // We did some careful benchmarking here: Using reflection to avoid unneeded
+        // function arguments is actually faster than blindly passing them.
+        // Also, this helps avoiding unnecessary function arguments in the call stack
+        // if the callback creates an Exception (creating garbage cycles).
+        if (\is_array($callback)) {
+            $ref = new \ReflectionMethod($callback[0], $callback[1]);
+        } elseif (\is_object($callback) && !$callback instanceof \Closure) {
+            $ref = new \ReflectionMethod($callback, '__invoke');
+        } else {
+            $ref = new \ReflectionFunction($callback);
+        }
+        $args = $ref->getNumberOfParameters();
+
+        try {
+            if ($args === 0) {
+                $callback();
+            } else {
+                // Keep references to this promise instance for the static resolve/reject functions.
+                // By using static callbacks that are not bound to this instance
+                // and passing the target promise instance by reference, we can
+                // still execute its resolving logic and still clear this
+                // reference when settling the promise. This helps avoiding
+                // garbage cycles if any callback creates an Exception.
+                // These assumptions are covered by the test suite, so if you ever feel like
+                // refactoring this, go ahead, any alternative suggestions are welcome!
+                $target =& $this;
+                $progressHandlers =& $this->progressHandlers;
+
+                $callback(
+                    static function ($value = null) use (&$target) {
+                        if ($target !== null) {
+                            $target->settle(resolve($value));
+                            $target = null;
+                        }
+                    },
+                    static function ($reason = null) use (&$target) {
+                        if ($target !== null) {
+                            $target->reject($reason);
+                            $target = null;
+                        }
+                    },
+                    static function ($update = null) use (&$progressHandlers) {
+                        foreach ($progressHandlers as $handler) {
+                            $handler($update);
+                        }
+                    }
+                );
+            }
+        } catch (\Throwable $e) {
+            $target = null;
+            $this->reject($e);
+        } catch (\Exception $e) {
+            $target = null;
+            $this->reject($e);
+        }
+    }
+}

vendor/react/promise/src/PromiseInterface.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace React\Promise;
+
+interface PromiseInterface
+{
+    /**
+     * Transforms a promise's value by applying a function to the promise's fulfillment
+     * or rejection value. Returns a new promise for the transformed result.
+     *
+     * The `then()` method registers new fulfilled and rejection handlers with a promise
+     * (all parameters are optional):
+     *
+     *  * `$onFulfilled` will be invoked once the promise is fulfilled and passed
+     *     the result as the first argument.
+     *  * `$onRejected` will be invoked once the promise is rejected and passed the
+     *     reason as the first argument.
+     *  * `$onProgress` (deprecated) will be invoked whenever the producer of the promise
+     *     triggers progress notifications and passed a single argument (whatever it
+     *     wants) to indicate progress.
+     *
+     * It returns a new promise that will fulfill with the return value of either
+     * `$onFulfilled` or `$onRejected`, whichever is called, or will reject with
+     * the thrown exception if either throws.
+     *
+     * A promise makes the following guarantees about handlers registered in
+     * the same call to `then()`:
+     *
+     *  1. Only one of `$onFulfilled` or `$onRejected` will be called,
+     *      never both.
+     *  2. `$onFulfilled` and `$onRejected` will never be called more
+     *      than once.
+     *  3. `$onProgress` (deprecated) may be called multiple times.
+     *
+     * @param callable|null $onFulfilled
+     * @param callable|null $onRejected
+     * @param callable|null $onProgress This argument is deprecated and should not be used anymore.
+     * @return PromiseInterface
+     */
+    public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null);
+}

vendor/react/promise/src/PromisorInterface.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace React\Promise;
+
+interface PromisorInterface
+{
+    /**
+     * Returns the promise of the deferred.
+     *
+     * @return PromiseInterface
+     */
+    public function promise();
+}

vendor/react/promise/src/RejectedPromise.php

@@ -0,0 +1,79 @@
+<?php
+
+namespace React\Promise;
+
+/**
+ * @deprecated 2.8.0 External usage of RejectedPromise is deprecated, use `reject()` instead.
+ */
+class RejectedPromise implements ExtendedPromiseInterface, CancellablePromiseInterface
+{
+    private $reason;
+
+    public function __construct($reason = null)
+    {
+        if ($reason instanceof PromiseInterface) {
+            throw new \InvalidArgumentException('You cannot create React\Promise\RejectedPromise with a promise. Use React\Promise\reject($promiseOrValue) instead.');
+        }
+
+        $this->reason = $reason;
+    }
+
+    public function then(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        if (null === $onRejected) {
+            return $this;
+        }
+
+        try {
+            return resolve($onRejected($this->reason));
+        } catch (\Throwable $exception) {
+            return new RejectedPromise($exception);
+        } catch (\Exception $exception) {
+            return new RejectedPromise($exception);
+        }
+    }
+
+    public function done(callable $onFulfilled = null, callable $onRejected = null, callable $onProgress = null)
+    {
+        if (null === $onRejected) {
+            throw UnhandledRejectionException::resolve($this->reason);
+        }
+
+        $result = $onRejected($this->reason);
+
+        if ($result instanceof self) {
+            throw UnhandledRejectionException::resolve($result->reason);
+        }
+
+        if ($result instanceof ExtendedPromiseInterface) {
+            $result->done();
+        }
+    }
+
+    public function otherwise(callable $onRejected)
+    {
+        if (!_checkTypehint($onRejected, $this->reason)) {
+            return $this;
+        }
+
+        return $this->then(null, $onRejected);
+    }
+
+    public function always(callable $onFulfilledOrRejected)
+    {
+        return $this->then(null, function ($reason) use ($onFulfilledOrRejected) {
+            return resolve($onFulfilledOrRejected())->then(function () use ($reason) {
+                return new RejectedPromise($reason);
+            });
+        });
+    }
+
+    public function progress(callable $onProgress)
+    {
+        return $this;
+    }
+
+    public function cancel()
+    {
+    }
+}

vendor/react/promise/src/UnhandledRejectionException.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace React\Promise;
+
+class UnhandledRejectionException extends \RuntimeException
+{
+    private $reason;
+
+    public static function resolve($reason)
+    {
+        if ($reason instanceof \Exception || $reason instanceof \Throwable) {
+            return $reason;
+        }
+
+        return new static($reason);
+    }
+
+    public function __construct($reason)
+    {
+        $this->reason = $reason;
+
+        $message = \sprintf('Unhandled Rejection: %s', \json_encode($reason));
+
+        parent::__construct($message, 0);
+    }
+
+    public function getReason()
+    {
+        return $this->reason;
+    }
+}

vendor/react/promise/src/functions.php

@@ -0,0 +1,407 @@
+<?php
+
+namespace React\Promise;
+
+/**
+ * Creates a promise for the supplied `$promiseOrValue`.
+ *
+ * If `$promiseOrValue` is a value, it will be the resolution value of the
+ * returned promise.
+ *
+ * If `$promiseOrValue` is a thenable (any object that provides a `then()` method),
+ * a trusted promise that follows the state of the thenable is returned.
+ *
+ * If `$promiseOrValue` is a promise, it will be returned as is.
+ *
+ * @param mixed $promiseOrValue
+ * @return PromiseInterface
+ */
+function resolve($promiseOrValue = null)
+{
+    if ($promiseOrValue instanceof ExtendedPromiseInterface) {
+        return $promiseOrValue;
+    }
+
+    // Check is_object() first to avoid method_exists() triggering
+    // class autoloaders if $promiseOrValue is a string.
+    if (\is_object($promiseOrValue) && \method_exists($promiseOrValue, 'then')) {
+        $canceller = null;
+
+        if (\method_exists($promiseOrValue, 'cancel')) {
+            $canceller = [$promiseOrValue, 'cancel'];
+        }
+
+        return new Promise(function ($resolve, $reject, $notify) use ($promiseOrValue) {
+            $promiseOrValue->then($resolve, $reject, $notify);
+        }, $canceller);
+    }
+
+    return new FulfilledPromise($promiseOrValue);
+}
+
+/**
+ * Creates a rejected promise for the supplied `$promiseOrValue`.
+ *
+ * If `$promiseOrValue` is a value, it will be the rejection value of the
+ * returned promise.
+ *
+ * If `$promiseOrValue` is a promise, its completion value will be the rejected
+ * value of the returned promise.
+ *
+ * This can be useful in situations where you need to reject a promise without
+ * throwing an exception. For example, it allows you to propagate a rejection with
+ * the value of another promise.
+ *
+ * @param mixed $promiseOrValue
+ * @return PromiseInterface
+ */
+function reject($promiseOrValue = null)
+{
+    if ($promiseOrValue instanceof PromiseInterface) {
+        return resolve($promiseOrValue)->then(function ($value) {
+            return new RejectedPromise($value);
+        });
+    }
+
+    return new RejectedPromise($promiseOrValue);
+}
+
+/**
+ * Returns a promise that will resolve only once all the items in
+ * `$promisesOrValues` have resolved. The resolution value of the returned promise
+ * will be an array containing the resolution values of each of the items in
+ * `$promisesOrValues`.
+ *
+ * @param array $promisesOrValues
+ * @return PromiseInterface
+ */
+function all($promisesOrValues)
+{
+    return map($promisesOrValues, function ($val) {
+        return $val;
+    });
+}
+
+/**
+ * Initiates a competitive race that allows one winner. Returns a promise which is
+ * resolved in the same way the first settled promise resolves.
+ *
+ * The returned promise will become **infinitely pending** if  `$promisesOrValues`
+ * contains 0 items.
+ *
+ * @param array $promisesOrValues
+ * @return PromiseInterface
+ */
+function race($promisesOrValues)
+{
+    $cancellationQueue = new CancellationQueue();
+    $cancellationQueue->enqueue($promisesOrValues);
+
+    return new Promise(function ($resolve, $reject, $notify) use ($promisesOrValues, $cancellationQueue) {
+        resolve($promisesOrValues)
+            ->done(function ($array) use ($cancellationQueue, $resolve, $reject, $notify) {
+                if (!is_array($array) || !$array) {
+                    $resolve();
+                    return;
+                }
+
+                foreach ($array as $promiseOrValue) {
+                    $cancellationQueue->enqueue($promiseOrValue);
+
+                    resolve($promiseOrValue)
+                        ->done($resolve, $reject, $notify);
+                }
+            }, $reject, $notify);
+    }, $cancellationQueue);
+}
+
+/**
+ * Returns a promise that will resolve when any one of the items in
+ * `$promisesOrValues` resolves. The resolution value of the returned promise
+ * will be the resolution value of the triggering item.
+ *
+ * The returned promise will only reject if *all* items in `$promisesOrValues` are
+ * rejected. The rejection value will be an array of all rejection reasons.
+ *
+ * The returned promise will also reject with a `React\Promise\Exception\LengthException`
+ * if `$promisesOrValues` contains 0 items.
+ *
+ * @param array $promisesOrValues
+ * @return PromiseInterface
+ */
+function any($promisesOrValues)
+{
+    return some($promisesOrValues, 1)
+        ->then(function ($val) {
+            return \array_shift($val);
+        });
+}
+
+/**
+ * Returns a promise that will resolve when `$howMany` of the supplied items in
+ * `$promisesOrValues` resolve. The resolution value of the returned promise
+ * will be an array of length `$howMany` containing the resolution values of the
+ * triggering items.
+ *
+ * The returned promise will reject if it becomes impossible for `$howMany` items
+ * to resolve (that is, when `(count($promisesOrValues) - $howMany) + 1` items
+ * reject). The rejection value will be an array of
+ * `(count($promisesOrValues) - $howMany) + 1` rejection reasons.
+ *
+ * The returned promise will also reject with a `React\Promise\Exception\LengthException`
+ * if `$promisesOrValues` contains less items than `$howMany`.
+ *
+ * @param array $promisesOrValues
+ * @param int $howMany
+ * @return PromiseInterface
+ */
+function some($promisesOrValues, $howMany)
+{
+    $cancellationQueue = new CancellationQueue();
+    $cancellationQueue->enqueue($promisesOrValues);
+
+    return new Promise(function ($resolve, $reject, $notify) use ($promisesOrValues, $howMany, $cancellationQueue) {
+        resolve($promisesOrValues)
+            ->done(function ($array) use ($howMany, $cancellationQueue, $resolve, $reject, $notify) {
+                if (!\is_array($array) || $howMany < 1) {
+                    $resolve([]);
+                    return;
+                }
+
+                $len = \count($array);
+
+                if ($len < $howMany) {
+                    throw new Exception\LengthException(
+                        \sprintf(
+                            'Input array must contain at least %d item%s but contains only %s item%s.',
+                            $howMany,
+                            1 === $howMany ? '' : 's',
+                            $len,
+                            1 === $len ? '' : 's'
+                        )
+                    );
+                }
+
+                $toResolve = $howMany;
+                $toReject  = ($len - $toResolve) + 1;
+                $values    = [];
+                $reasons   = [];
+
+                foreach ($array as $i => $promiseOrValue) {
+                    $fulfiller = function ($val) use ($i, &$values, &$toResolve, $toReject, $resolve) {
+                        if ($toResolve < 1 || $toReject < 1) {
+                            return;
+                        }
+
+                        $values[$i] = $val;
+
+                        if (0 === --$toResolve) {
+                            $resolve($values);
+                        }
+                    };
+
+                    $rejecter = function ($reason) use ($i, &$reasons, &$toReject, $toResolve, $reject) {
+                        if ($toResolve < 1 || $toReject < 1) {
+                            return;
+                        }
+
+                        $reasons[$i] = $reason;
+
+                        if (0 === --$toReject) {
+                            $reject($reasons);
+                        }
+                    };
+
+                    $cancellationQueue->enqueue($promiseOrValue);
+
+                    resolve($promiseOrValue)
+                        ->done($fulfiller, $rejecter, $notify);
+                }
+            }, $reject, $notify);
+    }, $cancellationQueue);
+}
+
+/**
+ * Traditional map function, similar to `array_map()`, but allows input to contain
+ * promises and/or values, and `$mapFunc` may return either a value or a promise.
+ *
+ * The map function receives each item as argument, where item is a fully resolved
+ * value of a promise or value in `$promisesOrValues`.
+ *
+ * @param array $promisesOrValues
+ * @param callable $mapFunc
+ * @return PromiseInterface
+ */
+function map($promisesOrValues, callable $mapFunc)
+{
+    $cancellationQueue = new CancellationQueue();
+    $cancellationQueue->enqueue($promisesOrValues);
+
+    return new Promise(function ($resolve, $reject, $notify) use ($promisesOrValues, $mapFunc, $cancellationQueue) {
+        resolve($promisesOrValues)
+            ->done(function ($array) use ($mapFunc, $cancellationQueue, $resolve, $reject, $notify) {
+                if (!\is_array($array) || !$array) {
+                    $resolve([]);
+                    return;
+                }
+
+                $toResolve = \count($array);
+                $values    = [];
+
+                foreach ($array as $i => $promiseOrValue) {
+                    $cancellationQueue->enqueue($promiseOrValue);
+                    $values[$i] = null;
+
+                    resolve($promiseOrValue)
+                        ->then($mapFunc)
+                        ->done(
+                            function ($mapped) use ($i, &$values, &$toResolve, $resolve) {
+                                $values[$i] = $mapped;
+
+                                if (0 === --$toResolve) {
+                                    $resolve($values);
+                                }
+                            },
+                            $reject,
+                            $notify
+                        );
+                }
+            }, $reject, $notify);
+    }, $cancellationQueue);
+}
+
+/**
+ * Traditional reduce function, similar to `array_reduce()`, but input may contain
+ * promises and/or values, and `$reduceFunc` may return either a value or a
+ * promise, *and* `$initialValue` may be a promise or a value for the starting
+ * value.
+ *
+ * @param array $promisesOrValues
+ * @param callable $reduceFunc
+ * @param mixed $initialValue
+ * @return PromiseInterface
+ */
+function reduce($promisesOrValues, callable $reduceFunc, $initialValue = null)
+{
+    $cancellationQueue = new CancellationQueue();
+    $cancellationQueue->enqueue($promisesOrValues);
+
+    return new Promise(function ($resolve, $reject, $notify) use ($promisesOrValues, $reduceFunc, $initialValue, $cancellationQueue) {
+        resolve($promisesOrValues)
+            ->done(function ($array) use ($reduceFunc, $initialValue, $cancellationQueue, $resolve, $reject, $notify) {
+                if (!\is_array($array)) {
+                    $array = [];
+                }
+
+                $total = \count($array);
+                $i = 0;
+
+                // Wrap the supplied $reduceFunc with one that handles promises and then
+                // delegates to the supplied.
+                $wrappedReduceFunc = function ($current, $val) use ($reduceFunc, $cancellationQueue, $total, &$i) {
+                    $cancellationQueue->enqueue($val);
+
+                    return $current
+                        ->then(function ($c) use ($reduceFunc, $total, &$i, $val) {
+                            return resolve($val)
+                                ->then(function ($value) use ($reduceFunc, $total, &$i, $c) {
+                                    return $reduceFunc($c, $value, $i++, $total);
+                                });
+                        });
+                };
+
+                $cancellationQueue->enqueue($initialValue);
+
+                \array_reduce($array, $wrappedReduceFunc, resolve($initialValue))
+                    ->done($resolve, $reject, $notify);
+            }, $reject, $notify);
+    }, $cancellationQueue);
+}
+
+/**
+ * @internal
+ */
+function _checkTypehint(callable $callback, $object)
+{
+    if (!\is_object($object)) {
+        return true;
+    }
+
+    if (\is_array($callback)) {
+        $callbackReflection = new \ReflectionMethod($callback[0], $callback[1]);
+    } elseif (\is_object($callback) && !$callback instanceof \Closure) {
+        $callbackReflection = new \ReflectionMethod($callback, '__invoke');
+    } else {
+        $callbackReflection = new \ReflectionFunction($callback);
+    }
+
+    $parameters = $callbackReflection->getParameters();
+
+    if (!isset($parameters[0])) {
+        return true;
+    }
+
+    $expectedException = $parameters[0];
+
+    // PHP before v8 used an easy API:
+    if (\PHP_VERSION_ID < 70100 || \defined('HHVM_VERSION')) {
+        if (!$expectedException->getClass()) {
+            return true;
+        }
+
+        return $expectedException->getClass()->isInstance($object);
+    }
+
+    // Extract the type of the argument and handle different possibilities
+    $type = $expectedException->getType();
+    
+    $isTypeUnion = true;
+    $types = [];
+
+    switch (true) {
+        case $type === null:
+            break;
+        case $type instanceof \ReflectionNamedType:
+            $types = [$type];
+            break;
+        case $type instanceof \ReflectionIntersectionType:
+            $isTypeUnion = false;
+        case $type instanceof \ReflectionUnionType;
+            $types = $type->getTypes();
+            break;
+        default:
+            throw new \LogicException('Unexpected return value of ReflectionParameter::getType');
+    }
+
+    // If there is no type restriction, it matches
+    if (empty($types)) {
+        return true;
+    }
+
+    foreach ($types as $type) {
+        if (!$type instanceof \ReflectionNamedType) {
+            throw new \LogicException('This implementation does not support groups of intersection or union types');
+        }
+
+        // A named-type can be either a class-name or a built-in type like string, int, array, etc.
+        $matches = ($type->isBuiltin() && \gettype($object) === $type->getName())
+            || (new \ReflectionClass($type->getName()))->isInstance($object);
+
+
+        // If we look for a single match (union), we can return early on match
+        // If we look for a full match (intersection), we can return early on mismatch
+        if ($matches) {
+            if ($isTypeUnion) {
+                return true;
+            }
+        } else {
+            if (!$isTypeUnion) {
+                return false;
+            }
+        }
+    }
+
+    // If we look for a single match (union) and did not return early, we matched no type and are false
+    // If we look for a full match (intersection) and did not return early, we matched all types and are true
+    return $isTypeUnion ? false : true;
+}

vendor/react/promise/src/functions_include.php

@@ -0,0 +1,5 @@
+<?php
+
+if (!\function_exists('React\Promise\resolve')) {
+    require __DIR__.'/functions.php';
+}