Replace __sleep/wakeup() by __(un)serialize() when BC isn't a concern

Author: nicolas-grekas

Tests/Functional/app/AppKernel.php

@@ -89,14 +89,16 @@ protected function build(ContainerBuilder $container): void
         $container->registerExtension(new TestDumpExtension());
     }
 
-    public function __sleep(): array
+    public function __serialize(): array
     {
-        return ['varDir', 'testCase', 'rootConfig', 'environment', 'debug'];
+        return [$this->varDir, $this->testCase, $this->rootConfig, $this->environment, $this->debug];
     }
 
-    public function __wakeup(): void
+    public function __unserialize(array $data): void
     {
-        foreach ($this as $k => $v) {
+        [$this->varDir, $this->testCase, $this->rootConfig, $this->environment, $this->debug] = $data;
+
+        foreach ($this as $v) {
             if (\is_object($v)) {
                 throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
             }

Tests/Kernel/ConcreteMicroKernel.php

@@ -55,12 +55,12 @@ public function getLogDir(): string
         return $this->cacheDir;
     }
 
-    public function __sleep(): array
+    public function __serialize(): array
     {
         throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
     }
 
-    public function __wakeup(): void
+    public function __unserialize(array $data): void
     {
         throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
     }

Tests/Kernel/flex-style/src/FlexStyleMicroKernel.php

@@ -64,12 +64,12 @@ public function getProjectDir(): string
         return \dirname((new \ReflectionObject($this))->getFileName(), 2);
     }
 
-    public function __sleep(): array
+    public function __serialize(): array
     {
         throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
     }
 
-    public function __wakeup(): void
+    public function __unserialize(array $data): void
     {
         throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
     }