Fatal error: Uncaught Error: Call to undefined function mysql_get_server_info() in /www/doc/www.ondrejfojtik.cz/www/wp-content/plugins/health-check/includes/class-health-check-site-status.php:52
Stack trace:
#0 /www/doc/www.ondrejfojtik.cz/www/wp-content/plugins/health-check/includes/class-health-check-site-status.php(22): Health_Check_Site_Status->prepare_sql_data()
#1 /www/doc/www.ondrejfojtik.cz/www/wp-content/plugins/health-check/includes/class-health-check-site-status.php(18): Health_Check_Site_Status->init()
#2 /www/doc/www.ondrejfojtik.cz/www/wp-content/plugins/health-check/includes/class-health-check-site-status.php(2039): Health_Check_Site_Status->__construct()
#3 /www/doc/www.ondrejfojtik.cz/www/wp-content/plugins/health-check/health-check.php(65): require_once('/www/doc/www.on...')
#4 /www/doc/www.ondrejfojtik.cz/www/wp-settings.php(473): include_once('/www/doc/www.on...')
#5 /www/doc/www.ondrejfojtik.cz/www/wp-config.php(66): require_once('/www/doc/www.on...')
#6 /www/doc/www.ondrejfojtik.cz/www/wp-load.php(50 in /www/doc/www.ondrejfojtik.cz/www/wp-content/plugins/health-check/includes/class-health-check-site-status.php on line 52