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-# PHP Workers
-
-In order to run your PHP application, you must create a worker endpoint and configure RoadRunner to use it. First,
-install the required package using [Composer](https://getcomposer.org/).
-
-```bash
-composer require spiral/roadrunner nyholm/psr7
-```
-
-Simplest entrypoint with PSR-7 server API might looks like:
-
-```php
-<?php
-
-use Spiral\RoadRunner;
-use Nyholm\Psr7;
-
-include "vendor/autoload.php";
-
-$worker = RoadRunner\Worker::create();
-$psrFactory = new Psr7\Factory\Psr17Factory();
-
-$worker = new RoadRunner\Http\PSR7Worker($worker, $psrFactory, $psrFactory, $psrFactory);
-
-while ($req = $worker->waitRequest()) {
-    try {
-        $rsp = new Psr7\Response();
-        $rsp->getBody()->write('Hello world!');
-
-        $worker->respond($rsp);
-    } catch (\Throwable $e) {
-        $worker->getWorker()->error((string)$e);
-    }
-}
-```
-
-Such a worker will expect communication with the parent RoadRunner server over standard pipes, create `.rr.yaml` config
-to enable it:
-
-```yaml
-server:
-  command: "php psr-worker.php"
-
-http:
-  address: 0.0.0.0:8080
-  pool:
-    num_workers: 4
-```
-
-If you don't like `yaml` try `.rr.json`:
-
-```json
-{
-  "server": {
-    "command": "path-to-php/php psr-worker.php"
-  },
-  "http": {
-    "address": "0.0.0.0:8080",
-    "pool": {
-      "num_workers": 4
-    }
-  }
-}
-```
-
-You can start the application now by downloading the RR binary file and running `rr serve`
-
-## Alternative Communication Methods
-
-PHP Workers would utilize standard pipes STDOUT and STDERR to exchange data frames with RR server. In some cases you might
-want to use alternative communication methods such as TCP socket:
-
-```yaml
-server:
-  command: "php psr-worker.php"
-  relay: "tcp://localhost:7000"
-  
-http:
-  address: 0.0.0.0:8080
-  pool:
-    num_workers: 4
-```
-
-Unix sockets:
-
-```yaml
-server:
-  command: "php psr-worker.php"
-  relay:  "unix://rr.sock"
-
-http:
-  address: 0.0.0.0:8080
-  pool:
-    num_workers: 4
-```
-
-## Troubleshooting
-
-In some cases, RR would not be able to handle errors produced by PHP worker (PHP is missing, the script is dead etc)
-.
-
-```
-$ rr serve
-DEBU[0003] [rpc]: started
-DEBU[0003] [http]: started
-ERRO[0003] [http]: unable to connect to worker: unexpected response, header is missing: exit status 1
-DEBU[0003] [rpc]: stopped
-```
-
-You can troubleshoot it by invoking `command` set in `.rr` file manually:
-
-```
-$ php psr-worker.php
-```
-
-The worker should not cause any error until any input provided and must fail with invalid input signature after the
-first input character.
-
-## Other Type of Workers
-
-Different roadrunner implementations might define their own worker APIs,
-examples: [GRPC](https://github.com/spiral/php-grpc), [Workflow/Activity Worker](https://docs.temporal.io/docs/php-workers/).
-\ No newline at end of file