Merge branch '4.4' into 5.0

* 4.4:
  Parse and render anonymous classes correctly on php 8
  Enable APCu for the php 8 build.
  [Process] Fix failing test on php 8.
  [HttpKernel] fix test
  Make PHP 8 green on Travis
  Revert "[Cache] allow DBAL v3"
  [PropertyAccessor] Added missing property path on php 8.
  Don't execute tests with DBAL 2.x on php 8.

Author: nicolas-grekas

Caster/ClassStub.php

@@ -55,9 +55,9 @@ public function __construct(string $identifier, $callable = null)
                 }
             }
 
-            if (false !== strpos($identifier, "class@anonymous\0")) {
-                $this->value = $identifier = preg_replace_callback('/class@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', function ($m) {
-                    return class_exists($m[0], false) ? get_parent_class($m[0]).'@anonymous' : $m[0];
+            if (false !== strpos($identifier, "@anonymous\0")) {
+                $this->value = $identifier = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', function ($m) {
+                    return class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0];
                 }, $identifier);
             }
 

Caster/ExceptionCaster.php

@@ -73,8 +73,7 @@ public static function castThrowingCasterException(ThrowingCasterException $e, a
 
         if (isset($a[$xPrefix.'previous'], $a[$trace]) && $a[$xPrefix.'previous'] instanceof \Exception) {
             $b = (array) $a[$xPrefix.'previous'];
-            $class = \get_class($a[$xPrefix.'previous']);
-            $class = 'c' === $class[0] && 0 === strpos($class, "class@anonymous\0") ? get_parent_class($class).'@anonymous' : $class;
+            $class = get_debug_type($a[$xPrefix.'previous']);
             self::traceUnshift($b[$xPrefix.'trace'], $class, $b[$prefix.'file'], $b[$prefix.'line']);
             $a[$trace] = new TraceStub($b[$xPrefix.'trace'], false, 0, -\count($a[$trace]->value));
         }
@@ -282,9 +281,9 @@ private static function filterExceptionArray(string $xClass, array $a, string $x
         }
         unset($a[$xPrefix.'string'], $a[Caster::PREFIX_DYNAMIC.'xdebug_message'], $a[Caster::PREFIX_DYNAMIC.'__destructorException']);
 
-        if (isset($a[Caster::PREFIX_PROTECTED.'message']) && false !== strpos($a[Caster::PREFIX_PROTECTED.'message'], "class@anonymous\0")) {
-            $a[Caster::PREFIX_PROTECTED.'message'] = preg_replace_callback('/class@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', function ($m) {
-                return class_exists($m[0], false) ? get_parent_class($m[0]).'@anonymous' : $m[0];
+        if (isset($a[Caster::PREFIX_PROTECTED.'message']) && false !== strpos($a[Caster::PREFIX_PROTECTED.'message'], "@anonymous\0")) {
+            $a[Caster::PREFIX_PROTECTED.'message'] = preg_replace_callback('/[a-zA-Z_\x7f-\xff][\\\\a-zA-Z0-9_\x7f-\xff]*+@anonymous\x00.*?\.php(?:0x?|:[0-9]++\$)[0-9a-fA-F]++/', function ($m) {
+                return class_exists($m[0], false) ? (get_parent_class($m[0]) ?: key(class_implements($m[0])) ?: 'class').'@anonymous' : $m[0];
             }, $a[Caster::PREFIX_PROTECTED.'message']);
         }