Severity: 8192
Message: strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated
Filename: helpers/element_helper.php
Line Number: 115
Backtrace:
File: /home/kzgm/www/application/helpers/element_helper.php
Line: 115
Function: strip_tags
File: /home/kzgm/www/application/controllers/Article.php
Line: 22
Function: article_intro
File: /home/kzgm/www/index.php
Line: 293
Function: require_once
