From a9da3dd2f16a8f97d7bc4ff5572b28e4bb84c813 Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@devilix.net>
Date: Tue, 12 Jun 2018 16:40:12 +0300
Subject: [ci skip] Prepare 3.1.9 release

---
 system/libraries/Session/Session_driver.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'system/libraries/Session/Session_driver.php')

diff --git a/system/libraries/Session/Session_driver.php b/system/libraries/Session/Session_driver.php
index bef5ee41f..2fe30b8a2 100644
--- a/system/libraries/Session/Session_driver.php
+++ b/system/libraries/Session/Session_driver.php
@@ -112,6 +112,23 @@ abstract class CI_Session_driver implements SessionHandlerInterface {
 
 	// ------------------------------------------------------------------------
 
+	/**
+	 * 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
 	 *
-- 
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