diff --git a/public_html/includes/class/class.LSformRule_callable.php b/public_html/includes/class/class.LSformRule_callable.php
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+<?php
+/*******************************************************************************
+ * Copyright (C) 2007 Easter-eggs
+ * http://ldapsaisie.labs.libre-entreprise.org
+ *
+ * Author: See AUTHORS file in top-level directory.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+******************************************************************************/
+
+/**
+ * LSform rule to check a value using a callable object (function, method, ...)
+ *
+ * @author Benjamin Renard <brenard@easter-eggs.com>
+ */
+class LSformRule_callable extends LSformRule {
+  
+  /**
+   * Check the value using the callable object
+   *
+   * @param mixed $value The value to check
+   * @param array $options Validation option
+   *                              - callable : the function use to check the value
+   *
+   * The callable object will be run to check the value. The given parameters are the
+   * same of this method.
+   *
+   * @param object $formElement The LSformElement object
+   *
+   * @return boolean true if the value is valid, false otherwise
+   */ 
+  function validate($value,$option,$formElement) {
+    if (is_callable($option['callable'])) {
+      return call_user_func($option['callable'],$value,$option,$formElement);
+    }
+    else {
+      LSerror :: addErrorCode('LSformRule_callable_01');
+      return False;
+    }
+  }
+
+}
+
+/*
+ * Error codes
+ */
+LSerror :: defineError('LSformRule_callable_01',
+_("LSformRule_callable : The given callable option is not callable")
+);
+
+?>