[BUGFIX] Safety check for foreach

Resolves: #21
TYPO3 · Apr 22, 2021 · 4e0b2a1 · 4e0b2a1
1 parent 575f595
commit 4e0b2a1
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/src/ClassAliasLoader.php b/src/ClassAliasLoader.php
@@ -172,9 +172,11 @@ protected function getOriginalClassName($aliasOrClassName)
     protected function loadOriginalClassAndSetAliases($originalClassName)
     {
         if ($this->classOrInterfaceExists($originalClassName) || $this->loadClass($originalClassName)) {
-            foreach ($this->aliasMap['classNameToAliasMapping'][$originalClassName] as $aliasClassName) {
-                if (!$this->classOrInterfaceExists($aliasClassName)) {
-                    class_alias($originalClassName, $aliasClassName);
+            if (is_array($this->aliasMap['classNameToAliasMapping'][$originalClassName])) {
+                foreach ($this->aliasMap['classNameToAliasMapping'][$originalClassName] as $aliasClassName) {
+                    if (!$this->classOrInterfaceExists($aliasClassName)) {
+                        class_alias($originalClassName, $aliasClassName);
+                    }
                 }
             }