Merge branch '3.4' into 4.4

* 3.4:
  Skip Doctrine DBAL on php 8 until we have a compatible version.
  [DomCrawler] Catch expected ValueError.
  [Validator] Catch expected ValueError.
  [VarDumper] ReflectionFunction::isDisabled() is deprecated.
  [PropertyAccess] Parse php 8 TypeErrors correctly.
  [Intl] Fix call to ReflectionProperty::getValue() for static properties.
  [HttpKernel] Prevent calling method_exists() with non-string values.
  [Debug] php 8 does not pass $context to error handlers.
  [Config] Removed implicit cast of ReflectionProperty to string.
  [Debug] Undefined variables raise a warning in php 8.
  [Debug] Skip test that would trigger a fatal error on php 8.
  Address deprecation of ReflectionType::getClass().
  Properties $originalName and $mimeType are never null in UploadedFile

Author: nicolas-grekas

Tests/NumberFormatter/AbstractNumberFormatterTest.php

@@ -602,7 +602,7 @@ public function testGetSymbol()
 
         $r = new \ReflectionProperty('Symfony\Component\Intl\NumberFormatter\NumberFormatter', 'enSymbols');
         $r->setAccessible(true);
-        $expected = $r->getValue('Symfony\Component\Intl\NumberFormatter\NumberFormatter');
+        $expected = $r->getValue();
 
         for ($i = 0; $i <= 17; ++$i) {
             $this->assertSame($expected[1][$i], $decimalFormatter->getSymbol($i));
@@ -619,7 +619,7 @@ public function testGetTextAttribute()
 
         $r = new \ReflectionProperty('Symfony\Component\Intl\NumberFormatter\NumberFormatter', 'enTextAttributes');
         $r->setAccessible(true);
-        $expected = $r->getValue('Symfony\Component\Intl\NumberFormatter\NumberFormatter');
+        $expected = $r->getValue();
 
         for ($i = 0; $i <= 5; ++$i) {
             $this->assertSame($expected[1][$i], $decimalFormatter->getTextAttribute($i));