Fatal error: Uncaught Error: Call to undefined function mysql_connect() in C:\xampp\htdocs\wp-includes\wp-db.php:1645 Stack trace: #0 C:\xampp\htdocs\wp-includes\wp-db.php(639): wpdb->db_connect() #1 C:\xampp\htdocs\wp-includes\load.php(427): wpdb->__construct('root', 'ppfonIkV8ibrFqo...', 'wordpress', 'localhost') #2 C:\xampp\htdocs\wp-settings.php(120): require_wp_db() #3 C:\xampp\htdocs\wp-config.php(114): require_once('C:\\xampp\\htdocs...') #4 C:\xampp\htdocs\wp-load.php(37): require_once('C:\\xampp\\htdocs...') #5 C:\xampp\htdocs\wp-blog-header.php(13): require_once('C:\\xampp\\htdocs...') #6 C:\xampp\htdocs\index.php(17): require('C:\\xampp\\htdocs...') #7 {main} thrown in C:\xampp\htdocs\wp-includes\wp-db.php on line 1645