Fatal error: Uncaught Error: Call to undefined function json_encode() in /var/www/home/smgc.jp/html/new_wp/wp-includes/functions.php:3826 Stack trace: #0 /var/www/home/smgc.jp/html/new_wp/wp-includes/class.wp-scripts.php(489): wp_json_encode() #1 /var/www/home/smgc.jp/html/new_wp/wp-includes/script-loader.php(975): WP_Scripts->localize() #2 /var/www/home/smgc.jp/html/new_wp/wp-includes/class-wp-hook.php(288): wp_default_scripts() #3 /var/www/home/smgc.jp/html/new_wp/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters() #4 /var/www/home/smgc.jp/html/new_wp/wp-includes/plugin.php(544): WP_Hook->do_action() #5 /var/www/home/smgc.jp/html/new_wp/wp-includes/class.wp-scripts.php(167): do_action_ref_array() #6 /var/www/home/smgc.jp/html/new_wp/wp-includes/class-wp-hook.php(288): WP_Scripts->init() #7 /var/www/home/smgc.jp/html/new_wp/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters() #8 /var/www/home/smgc.jp/html/new_wp/wp-includes/plugin.php(478): WP_Hook->do_action() #9 /var/www/home/smgc.jp/html/new_wp/wp-set in /var/www/home/smgc.jp/html/new_wp/wp-includes/functions.php on line 3826