[5.1] Error on alias loop in container

laravel · Sep 21, 2016 · 22c4fb5 · 22c4fb5
1 parent f0266cb
commit 22c4fb5
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/Illuminate/Container/Container.php b/src/Illuminate/Container/Container.php
@@ -1082,15 +1082,23 @@ protected function isBuildable($concrete, $abstract)
     /**
      * Get the alias for an abstract if available.
      *
-     * @param  string  $abstract
+     * @param  string $abstract
+     *
      * @return string
+     * @throws \LogicException
      */
     public function getAlias($abstract)
     {
         if (! isset($this->aliases[$abstract])) {
             return $abstract;
         }
 
+        if ($this->aliases[$abstract] === $abstract) {
+            throw new \LogicException(
+                "Container alias loop: {$abstract} is aliased to {$abstract}."
+            );
+        }
+
         return $this->getAlias($this->aliases[$abstract]);
     }