Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /var/www/vhosts/kwvdeheidebloem.nl/httpdocs/wordpress/wp-includes/wp-db.php:1645
Stack trace:
#0 /var/www/vhosts/kwvdeheidebloem.nl/httpdocs/wordpress/wp-content/plugins/w3-total-cache/DbCache_WpdbLegacy.php(97): wpdb->db_connect(true)
#1 /var/www/vhosts/kwvdeheidebloem.nl/httpdocs/wordpress/wp-includes/wp-db.php(639): W3TC\DbCache_WpdbLegacy->db_connect()
#2 /var/www/vhosts/kwvdeheidebloem.nl/httpdocs/wordpress/wp-content/plugins/w3-total-cache/DbCache_WpdbLegacy.php(226): wpdb->__construct('wordpress_20', 'zyJ78i2P_E', 'wordpress_94', 'localhost:3306')
#3 /var/www/vhosts/kwvdeheidebloem.nl/httpdocs/wordpress/wp-content/plugins/w3-total-cache/DbCache_WpdbInjection.php(38): W3TC\DbCache_WpdbLegacy->default_initialize()
#4 /var/www/vhosts/kwvdeheidebloem.nl/httpdocs/wordpress/wp-content/plugins/w3-total-cache/DbCache_WpdbLegacy.php(104): W3TC\DbCache_WpdbInjection->initialize()
#5 /var/www/vhosts/kwvdeheidebloem.nl/httpdocs/wordpress/wp-content/plug in /var/www/vhosts/kwvdeheidebloem.nl/httpdocs/wordpress/wp-includes/wp-db.php on line 1645