Could not connect to the database service. Please check the config file. Database Error #1045: Access denied for user 'dvwa'@'localhost' (using password: YES). code example

Example: Could not connect to the database service. Please check the config file. Database Error #1045: Access denied for user 'dvwa'@'localhost' (using password: NO).

$_DVWA[ 'db_password' ] = '';