Warning: include(mysqli_connect.php): failed to open stream: No such file or directory in /var/www/html/yii/framework/YiiBase.php on line 421

Warning: include(): Failed opening 'mysqli_connect.php' for inclusion (include_path='.:/usr/local/lib/php') in /var/www/html/yii/framework/YiiBase.php on line 421

Fatal error: Uncaught Error: Class 'mysqli_connect' not found in /var/www/html/config.php:60 Stack trace: #0 /var/www/html/index.php(16): require() #1 {main} thrown in /var/www/html/config.php on line 60