[Routing] fix conflict with param named class in attribure

nlhommet · nicolas-grekas · commit 197843dca4d8 · 2021-02-19T00:18:00.000+01:00
diff --git a/src/Symfony/Component/Routing/Loader/AnnotationFileLoader.php b/src/Symfony/Component/Routing/Loader/AnnotationFileLoader.php
@@ -98,8 +98,20 @@ protected function findClass(string $file)
             $nsTokens[\T_NAME_QUALIFIED] = true;
         }
 
+        $openBrackets = 0;
         for ($i = 0; isset($tokens[$i]); ++$i) {
             $token = $tokens[$i];
+            if (80000 <= \PHP_VERSION_ID) {
+                if (\T_ATTRIBUTE === ($token[0] ?? 0) || ($openBrackets > 0 && '[' === $token)) {
+                    ++$openBrackets;
+                }
+                if ($openBrackets > 0 && ']' === $token) {
+                    --$openBrackets;
+                }
+                if ($openBrackets > 0) {
+                    continue;
+                }
+            }
 
             if (!isset($token[1])) {
                 continue;
