add new functions

Westdc/Helpers/Tools.php

@@ -15,11 +15,15 @@ class Tools {
 	}
 
     /**
-     * @param $str
+     * @param $email
      * @return bool
      */
-    public function isEmail($str){
+    public static function isEmail($email){
-        return true;
+
+        if(filter_var($email,FILTER_VALIDATE_EMAIL))
+            return true;
+        else
+            return false;
     }
 
     /**
@@ -100,5 +104,15 @@ class Tools {
 
         return $directory;
     }
+
+    static function getHostLink()
+    {
+        $protocol = "http";
+        if(strpos(strtolower($_SERVER['SERVER_PROTOCOL']),"https"))
+        {
+            $protocol = "https";
+        }
+        return $protocol."://".$_SERVER['SERVER_NAME'];
+    }
 	
 }