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-rw-r--r--system/libraries/Encryption.php14
1 files changed, 7 insertions, 7 deletions
diff --git a/system/libraries/Encryption.php b/system/libraries/Encryption.php
index fd858cb29..7d648dfa3 100644
--- a/system/libraries/Encryption.php
+++ b/system/libraries/Encryption.php
@@ -46,7 +46,7 @@ defined('BASEPATH') OR exit('No direct script access allowed');
* @subpackage Libraries
* @category Libraries
* @author Andrey Andreev
- * @link https://codeigniter.com/user_guide/libraries/encryption.html
+ * @link https://codeigniter.com/userguide3/libraries/encryption.html
*/
class CI_Encryption {
@@ -161,7 +161,7 @@ class CI_Encryption {
show_error('Encryption: Unable to find an available encryption driver.');
}
- isset(self::$func_overload) OR self::$func_overload = (extension_loaded('mbstring') && ini_get('mbstring.func_overload'));
+ isset(self::$func_overload) OR self::$func_overload = ( ! is_php('8.0') && extension_loaded('mbstring') && @ini_get('mbstring.func_overload'));
$this->initialize($params);
if ( ! isset($this->_key) && self::strlen($key = config_item('encryption_key')) > 0)
@@ -476,7 +476,7 @@ class CI_Encryption {
$iv = ($iv_size = openssl_cipher_iv_length($params['handle']))
? $this->create_key($iv_size)
- : NULL;
+ : '';
$data = openssl_encrypt(
$data,
@@ -585,7 +585,7 @@ class CI_Encryption {
}
else
{
- $iv = NULL;
+ $iv = '';
}
if (mcrypt_generic_init($params['handle'], $params['key'], $iv) < 0)
@@ -632,7 +632,7 @@ class CI_Encryption {
}
else
{
- $iv = NULL;
+ $iv = '';
}
return empty($params['handle'])
@@ -910,8 +910,8 @@ class CI_Encryption {
protected static function strlen($str)
{
return (self::$func_overload)
- ? mb_strlen($str, '8bit')
- : strlen($str);
+ ? mb_strlen((string) $str, '8bit')
+ : strlen((string) $str);
}
// --------------------------------------------------------------------