This is a fix for an empty array condition that causes a dashboard

error message:
Warning: Invalid argument supplied for foreach() in
/usr/local/www/widgets/widgets/snort_alerts.widget.php on line 36

1 files changed, 8 insertions, 2 deletions

diff --git a/config/widget-snort/snort_alerts.widget.php b/config/widget-snort/snort_alerts.widget.php
index 6d6193d8..b7b60a07 100644
--- a/config/widget-snort/snort_alerts.widget.php
+++ b/config/widget-snort/snort_alerts.widget.php
@@ -32,7 +32,11 @@ function sksort(&$array, $subkey="id", $sort_ascending=false) {
 	if (count($array)) {
 		$temp_array[key($array)] = array_shift($array);
 	};
-
+        /* an empty array causes sksort to fail - this test alleviates the error */
+	if(empty($array))
+        {
+        return false;
+        }
 	foreach ($array as $key => $val){
 		$offset = 0;
 		$found = false;
@@ -49,6 +53,8 @@ function sksort(&$array, $subkey="id", $sort_ascending=false) {
 	if ($sort_ascending) {
 		$array = array_reverse($temp_array);
 	} else $array = $temp_array;
+        /* below is the complement for empty array test */
+        return true; 
 };
 
 /* check if firewall widget variable is set */
@@ -128,4 +134,4 @@ if (is_array($snort_alerts)) {
 };
 ?>
 	</tbody>
-</table>
\ No newline at end of file
+</table>