Add Exception if MB support is not available in PHP

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@3813 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

getopts.php

@@ -33,6 +33,15 @@ class getopts
     */
   private $programName;
 
+  /** The constructor check the availability of the MB module
+    */
+  public function __construct ()
+  {
+    if (! function_exists ("mb_strlen"))
+      throw new \Exception ("PHP don't have the MB Support. Please add it !",
+        500);
+  }
+
   /** Set/Get the simulate value
     * @param string|null $simulate The simulate to get/set
     */