Only try to remove the namespace from a classname if there is a names…

…pace and add backslash for non namespace classes

For non-namespace classes this substr/strlen algorithm removed the first character of the classname.
The slash is needed when generating namespace classes, which use non-namespace classes.

library/Zend/Code/Generator/ParameterGenerator.php

@@ -64,8 +64,12 @@ public static function fromReflection(ParameterReflection $reflectionParameter)
                 $parameterType = $typeClass->getName();
                 $currentNamespace = $reflectionParameter->getDeclaringClass()->getNamespaceName();
 
-                if (substr($parameterType, 0, strlen($currentNamespace)) == $currentNamespace) {
-                    $parameterType = substr($parameterType, strlen($currentNamespace)+1);
+                if (!empty($currentNamespace)) {
+                    if (substr($parameterType, 0, strlen($currentNamespace)) == $currentNamespace) {
+                        $parameterType = substr($parameterType, strlen($currentNamespace) + 1);
+                    }
+                } else {
+                    $parameterType = '\\' . trim($parameterType, '\\');
                 }
 
                 $param->setType($parameterType);