Error: Call to a member function rowCount() on null in /var/www/include/includes/class/MySQLResult.php:125
Stack trace:
#0 /var/www/include/includes/class/Daiwai/ArticleMapper.php(1868): MySQLResult->size()
#1 /var/www/include/contents/articles.php(179): Daiwai_ArticleMapper->isPublished()
#2 /var/www/index.php(124): require_once('...')
#3 {main}