[DependencyInjection] Skip preloading on PHP 8.0

nicolas-grekas · nicolas-grekas · commit 2190386cdcd5 · 2022-02-10T09:31:53.000+01:00
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -308,6 +308,12 @@ public function dump(array $options = [])
 require $autoloadFile;
 require __DIR__.'/Container{$hash}/{$options['class']}.php';
 
+if (80000 <= \PHP_VERSION_ID && \PHP_VERSION_ID < 80100) {
+    // Preloading on PHP 8.0 fails with a fatal error when typed properties are used
+    // if some of those types are referencing optional and non-installed dependencies.
+    return;
+}
+
 \$classes = [];
 
 EOF;
