Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /srv/wordpress/wp-includes/wp-db.php:1668
Stack trace:
#0 /srv/wordpress/wp-includes/wp-db.php(632): wpdb->db_connect()
#1 /srv/wordpress/wp-includes/load.php(425): wpdb->__construct('pt_usr', 'wordpress', 'pt_wordpress', 'mariadb')
#2 /srv/wordpress/wp-settings.php(116): require_wp_db()
#3 /srv/wordpress/wp-config.php(97): require_once('/srv/wordpress/...')
#4 /srv/wordpress/wp-load.php(37): require_once('/srv/wordpress/...')
#5 /srv/wordpress/wp-blog-header.php(13): require_once('/srv/wordpress/...')
#6 /srv/wordpress/index.php(17): require('/srv/wordpress/...')
#7 {main}
thrown in /srv/wordpress/wp-includes/wp-db.php on line 1668