Fix style for examples/00-hello-world (#829)

Author: spawnia

examples/00-hello-world/graphql.php

@@ -1,14 +1,17 @@
 <?php
+
+declare(strict_types=1);
+
 // Test this using following command
 // php -S localhost:8080 ./graphql.php &
 // curl http://localhost:8080 -d '{"query": "query { echo(message: \"Hello World\") }" }'
 // curl http://localhost:8080 -d '{"query": "mutation { sum(x: 2, y: 2) }" }'
 require_once __DIR__ . '/../../vendor/autoload.php';
 
+use GraphQL\GraphQL;
 use GraphQL\Type\Definition\ObjectType;
 use GraphQL\Type\Definition\Type;
 use GraphQL\Type\Schema;
-use GraphQL\GraphQL;
 
 try {
     $queryType = new ObjectType([
@@ -19,9 +22,9 @@
                 'args' => [
                     'message' => ['type' => Type::string()],
                 ],
-                'resolve' => function ($rootValue, $args) {
+                'resolve' => static function ($rootValue, array $args): string {
                     return $rootValue['prefix'] . $args['message'];
-                }
+                },
             ],
         ],
     ]);
@@ -35,7 +38,7 @@
                     'x' => ['type' => Type::int()],
                     'y' => ['type' => Type::int()],
                 ],
-                'resolve' => function ($calc, $args) {
+                'resolve' => static function ($calc, array $args): int {
                     return $args['x'] + $args['y'];
                 },
             ],
@@ -49,21 +52,21 @@
         'mutation' => $mutationType,
     ]);
 
-    $rawInput = file_get_contents('php://input');
-    $input = json_decode($rawInput, true);
-    $query = $input['query'];
-    $variableValues = isset($input['variables']) ? $input['variables'] : null;
+    $rawInput       = file_get_contents('php://input');
+    $input          = json_decode($rawInput, true);
+    $query          = $input['query'];
+    $variableValues = $input['variables'] ?? null;
 
     $rootValue = ['prefix' => 'You said: '];
-    $result = GraphQL::executeQuery($schema, $query, $rootValue, null, $variableValues);
-    $output = $result->toArray();
-} catch (\Exception $e) {
+    $result    = GraphQL::executeQuery($schema, $query, $rootValue, null, $variableValues);
+    $output    = $result->toArray();
+} catch (Throwable $e) {
     $output = [
         'error' => [
-            'message' => $e->getMessage()
-        ]
+            'message' => $e->getMessage(),
+        ],
     ];
 }
+
 header('Content-Type: application/json; charset=UTF-8');
 echo json_encode($output);
-

phpcs.xml.dist

@@ -10,6 +10,7 @@
     <arg value="nps" />
 
     <file>benchmarks</file>
+    <file>examples/00-hello-world</file>
     <file>src</file>
     <file>tests</file>
 

phpstan.neon.dist

@@ -5,6 +5,7 @@ parameters:
 
     paths:
         - %currentWorkingDirectory%/benchmarks
+        - %currentWorkingDirectory%/examples/00-hello-world
         - %currentWorkingDirectory%/src
         - %currentWorkingDirectory%/tests