[DependencyInjection] Add more information to the message when passing miss matching class.

Author: Amrouche Hamza

src/Symfony/Component/DependencyInjection/Compiler/AutowirePass.php

@@ -336,13 +336,14 @@ private function createTypeAlternatives(TypedReference $reference)
         if ($message = $this->getAliasesSuggestionForType($type = $reference->getType())) {
             return ' '.$message;
         }
-
         if (isset($this->ambiguousServiceTypes[$type])) {
             $message = sprintf('one of these existing services: "%s"', implode('", "', $this->ambiguousServiceTypes[$type]));
         } elseif (isset($this->types[$type])) {
             $message = sprintf('the existing "%s" service', $this->types[$type]);
         } elseif ($reference->getRequiringClass() && !$reference->canBeAutoregistered()) {
             return ' It cannot be auto-registered because it is from a different root namespace.';
+        } elseif (is_array($this->types) && (null !== $key = array_search(strtolower($type), array_map('strtolower', $this->types)))) {
+            return sprintf(' Maybe you mean %s instead of %s ?', $key, $type);
         } else {
             return;
         }

src/Symfony/Component/DependencyInjection/Tests/Fixtures/includes/autowiring_classes.php

@@ -6,6 +6,13 @@ class Foo
 {
 }
 
+class FooFoo
+{
+    public function __construct(Foo $foo)
+    {
+    }
+}
+
 class Bar
 {
     public function __construct(Foo $foo)
@@ -293,6 +300,17 @@ public function setChildMethodWithoutDocBlock(A $a)
     }
 }
 
+class ARealClass {
+
+}
+
+class ClassMisMatch {
+
+    public function __construct(arealclass $n = null)
+    {
+    }
+}
+
 class NotWireable
 {
     public function setNotAutowireable(NotARealClass $n)