1 files changed, 47 insertions, 8 deletions

diff --git a/vendor/symfony/http-kernel/Kernel.php b/vendor/symfony/http-kernel/Kernel.php
index cf8c24fb0f..e0154b7d23 100644
--- a/vendor/symfony/http-kernel/Kernel.php
+++ b/vendor/symfony/http-kernel/Kernel.php
@@ -73,15 +73,15 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
     private $requestStackSize = 0;
     private $resetServices = false;
 
-    const VERSION = '4.2.8';
-    const VERSION_ID = 40208;
+    const VERSION = '4.3.0';
+    const VERSION_ID = 40300;
     const MAJOR_VERSION = 4;
-    const MINOR_VERSION = 2;
-    const RELEASE_VERSION = 8;
+    const MINOR_VERSION = 3;
+    const RELEASE_VERSION = 0;
     const EXTRA_VERSION = '';
 
-    const END_OF_MAINTENANCE = '07/2019';
-    const END_OF_LIFE = '01/2020';
+    const END_OF_MAINTENANCE = '01/2020';
+    const END_OF_LIFE = '07/2020';
 
     public function __construct(string $environment, bool $debug)
     {
@@ -442,14 +442,21 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
     /**
      * Gets the container class.
      *
+     * @throws \InvalidArgumentException If the generated classname is invalid
+     *
      * @return string The container class
      */
     protected function getContainerClass()
     {
         $class = \get_class($this);
         $class = 'c' === $class[0] && 0 === strpos($class, "class@anonymous\0") ? get_parent_class($class).str_replace('.', '_', ContainerBuilder::hash($class)) : $class;
+        $class = $this->name.str_replace('\\', '_', $class).ucfirst($this->environment).($this->debug ? 'Debug' : '').'Container';
+
+        if (!preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/', $class)) {
+            throw new \InvalidArgumentException(sprintf('The environment "%s" contains invalid characters, it can only contain characters allowed in PHP class names.', $this->environment));
+        }
 
-        return $this->name.str_replace('\\', '_', $class).ucfirst($this->environment).($this->debug ? 'Debug' : '').'Container';
+        return $class;
     }
 
     /**
@@ -826,22 +833,54 @@ abstract class Kernel implements KernelInterface, RebootableInterface, Terminabl
 
         $output .= $rawChunk;
 
-        // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
         unset($tokens, $rawChunk);
         gc_mem_caches();
 
         return $output;
     }
 
+    /**
+     * @deprecated since Symfony 4.3
+     */
     public function serialize()
     {
+        @trigger_error(sprintf('The "%s" method is deprecated since Symfony 4.3.', __METHOD__), E_USER_DEPRECATED);
+
         return serialize([$this->environment, $this->debug]);
     }
 
+    /**
+     * @deprecated since Symfony 4.3
+     */
     public function unserialize($data)
     {
+        @trigger_error(sprintf('The "%s" method is deprecated since Symfony 4.3.', __METHOD__), E_USER_DEPRECATED);
         list($environment, $debug) = unserialize($data, ['allowed_classes' => false]);
 
         $this->__construct($environment, $debug);
     }
+
+    public function __sleep()
+    {
+        if (__CLASS__ !== $c = (new \ReflectionMethod($this, 'serialize'))->getDeclaringClass()->name) {
+            @trigger_error(sprintf('Implementing the "%s::serialize()" method is deprecated since Symfony 4.3.', $c), E_USER_DEPRECATED);
+            $this->serialized = $this->serialize();
+
+            return ['serialized'];
+        }
+
+        return ['environment', 'debug'];
+    }
+
+    public function __wakeup()
+    {
+        if (__CLASS__ !== $c = (new \ReflectionMethod($this, 'serialize'))->getDeclaringClass()->name) {
+            @trigger_error(sprintf('Implementing the "%s::serialize()" method is deprecated since Symfony 4.3.', $c), E_USER_DEPRECATED);
+            $this->unserialize($this->serialized);
+            unset($this->serialized);
+
+            return;
+        }
+        $this->__construct($this->environment, $this->debug);
+    }
 }