Fatal error: Uncaught Error: Call to undefined function mysql_get_server_info() in /var/www/html/wp-content/plugins/health-check/includes/class-health-check-site-status.php:52 Stack trace: #0 /var/www/html/wp-content/plugins/health-check/includes/class-health-check-site-status.php(22): Health_Check_Site_Status->prepare_sql_data() #1 /var/www/html/wp-content/plugins/health-check/includes/class-health-check-site-status.php(18): Health_Check_Site_Status->init() #2 /var/www/html/wp-content/plugins/health-check/includes/class-health-check-site-status.php(2039): Health_Check_Site_Status->__construct() #3 /var/www/html/wp-content/plugins/health-check/health-check.php(65): require_once('/var/www/html/w...') #4 /var/www/html/wp-settings.php(473): include_once('/var/www/html/w...') #5 /var/www/html/wp-config.php(92): require_once('/var/www/html/w...') #6 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...') #7 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...') #8 /var/www/html/index.php(17): requir in /var/www/html/wp-content/plugins/health-check/includes/class-health-check-site-status.php on line 52