From 0b203a8701070f053300aea751273efc1875fc74 Mon Sep 17 00:00:00 2001
From: mistic100 <mistic@piwigo.org>
Date: Sun, 21 Jul 2013 12:05:10 +0000
Subject: add mandatory option for check_input_parameter

git-svn-id: http://piwigo.org/svn/trunk@24009 68402e56-0260-453c-a942-63ccdbb3a9ee
---
 include/functions.inc.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'include/functions.inc.php')

diff --git a/include/functions.inc.php b/include/functions.inc.php
index 59136afbd..32417cfd9 100644
--- a/include/functions.inc.php
+++ b/include/functions.inc.php
@@ -1546,10 +1546,11 @@ function get_pwg_token()
  * @param array param_array
  * @param boolean is_array
  * @param string pattern
+ * @param boolean mandatory
  *
  * @return void
  */
-function check_input_parameter($param_name, $param_array, $is_array, $pattern)
+function check_input_parameter($param_name, $param_array, $is_array, $pattern, $mandatory=false)
 {
   $param_value = null;
   if (isset($param_array[$param_name]))
@@ -1560,6 +1561,10 @@ function check_input_parameter($param_name, $param_array, $is_array, $pattern)
   // it's ok if the input parameter is null
   if (empty($param_value))
   {
+    if ($mandatory)
+    {
+      fatal_error('[Hacking attempt] the input parameter "'.$param_name.'" is not valid');
+    }
     return true;
   }
 
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