Remove collation parameter from db_set_charset() (no longer needed)
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php
index e84b834..f38b94c 100644
--- a/system/database/drivers/mysqli/mysqli_driver.php
+++ b/system/database/drivers/mysqli/mysqli_driver.php
@@ -144,10 +144,9 @@
* Set client character set
*
* @param string
- * @param string
* @return bool
*/
- protected function _db_set_charset($charset, $collation)
+ protected function _db_set_charset($charset)
{
return @mysqli_set_charset($this->conn_id, $charset);
}