fix php attribte on non existing use statement block

Author: Haehnchen

src/main/java/fr/adrienbrault/idea/symfony2plugin/completion/PhpAttributeCompletionPopupHandlerCompletionConfidence.java

@@ -8,8 +8,8 @@
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.PsiWhiteSpace;
-import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.util.ThreeState;
+import com.jetbrains.php.lang.parser.PhpElementTypes;
 import com.jetbrains.php.lang.psi.PhpFile;
 import com.jetbrains.php.lang.psi.PhpPsiUtil;
 import com.jetbrains.php.lang.psi.elements.*;
@@ -113,10 +113,21 @@ public static class PhpAttributeAutoPopupHandler extends TypedHandlerDelegate {
     public static @Nullable PhpClass getPhpClass(@NotNull PsiElement element) {
         if (element.getParent() instanceof PhpClass phpClass) {
             return phpClass;
-        } else if (PhpPsiUtil.getNextSiblingIgnoreWhitespace(element, true) instanceof PhpClass phpClass) {
+        }
+
+        // with use statement given
+        PsiElement nextSiblingIgnoreWhitespace = PhpPsiUtil.getNextSiblingIgnoreWhitespace(element, true);
+        if (nextSiblingIgnoreWhitespace instanceof PhpClass phpClass) {
             return phpClass;
         }
 
+        // no use statements
+        if (nextSiblingIgnoreWhitespace != null && nextSiblingIgnoreWhitespace.getNode().getElementType() == PhpElementTypes.NON_LAZY_GROUP_STATEMENT) {
+            if (nextSiblingIgnoreWhitespace.getFirstChild() instanceof PhpClass phpClass) {
+                return phpClass;
+            }
+        }
+
         return null;
     }