ことわざ！対義語二択【問題】

Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /home/tenpoo/www/kotowaza/wz/wp-content/themes/quiz/quiz.php:66 Stack trace: #0 /home/tenpoo/www/kotowaza/wz/wp-content/themes/simplicity2/functions.php(1390): include() #1 /home/tenpoo/www/kotowaza/wz/wp-includes/shortcodes.php(325): Include_my_php2(Array, '', 'myphp2') #2 [internal function]: do_shortcode_tag(Array) #3 /home/tenpoo/www/kotowaza/wz/wp-includes/shortcodes.php(199): preg_replace_callback('/\\[(\\[?)(myphp2...', 'do_shortcode_ta...', '[myphp2 file='q...') #4 /home/tenpoo/www/kotowaza/wz/wp-includes/class-wp-hook.php(286): do_shortcode('[myphp2 file='q...') #5 /home/tenpoo/www/kotowaza/wz/wp-includes/plugin.php(208): WP_Hook->apply_filters('[myphp2 file='q...', Array) #6 /home/tenpoo/www/kotowaza/wz/wp-includes/post-template.php(247): apply_filters('the_content', '[myphp2 file='q...') #7 /home/tenpoo/www/kotowaza/wz/wp-content/themes/simplicity2/page-page.php(46): the_content() #8 /home/tenpoo/www/kotowaza/wz/wp-includes/template.php( in /home/tenpoo/www/kotowaza/wz/wp-content/themes/quiz/quiz.php on line 66