[ci skip] Prepare 3.1.9 release
diff --git a/system/libraries/Session/Session_driver.php b/system/libraries/Session/Session_driver.php
index bef5ee4..2fe30b8 100644
--- a/system/libraries/Session/Session_driver.php
+++ b/system/libraries/Session/Session_driver.php
@@ -113,6 +113,23 @@
// ------------------------------------------------------------------------
/**
+ * PHP 5.x validate ID
+ *
+ * Enforces session.use_strict_mode on PHP 5.x (7+ does it by itself)
+ *
+ * @return void
+ */
+ public function php5_validate_id()
+ {
+ if (PHP_VERSION_ID < 70000 && isset($_COOKIE[$this->_config['cookie_name']]) && ! $this->validateId($_COOKIE[$this->_config['cookie_name']]))
+ {
+ unset($_COOKIE[$this->_config['cookie_name']]);
+ }
+ }
+
+ // ------------------------------------------------------------------------
+
+ /**
* Cookie destroy
*
* Internal method to force removal of a cookie by the client