Merge upstream branch

1 files changed, 2 insertions, 2 deletions

diff --git a/system/libraries/Table.php b/system/libraries/Table.php
index 99d001ce5..11a4858a9 100644
--- a/system/libraries/Table.php
+++ b/system/libraries/Table.php
@@ -112,7 +112,7 @@ class CI_Table {
 	 */
 	public function make_columns($array = array(), $col_limit = 0)
 	{
-		if ( ! is_array($array) OR count($array) === 0)
+		if ( ! is_array($array) OR count($array) === 0 OR ! is_int($col_limit))
 		{
 			return FALSE;
 		}
@@ -405,7 +405,7 @@ class CI_Table {
 		// First generate the headings from the table column names
 		if (count($this->heading) === 0)
 		{
-			if ( ! method_exists($query, 'list_fields'))
+			if ( ! is_callable(array($query, 'list_fields')))
 			{
 				return FALSE;
 			}