Set default empty array, and check if $array is really an array

dixy · Apr 18, 2012 · 4b9adcb · 4b9adcb
1 parent 8066cd9
commit 4b9adcb
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/system/helpers/array_helper.php b/system/helpers/array_helper.php
@@ -115,11 +115,11 @@ function elements($items, $array, $default = FALSE)
  */
 if ( ! function_exists('array_to_str'))
 {
-	function array_to_str($array, $sep = ', ', $sep_last = '')
+	function array_to_str($array = array(), $sep = ', ', $sep_last = '')
 	{
 		$return = '';
 
-		if ( ! $array)
+		if (empty($array) OR ! is_array($array))
 		{
 			return '';
 		}