fix linux mysqli_real_connect(): (HY000/1045): Access denied for user 'phpmyadmin'@'localhost' (using password: NO) code example
Example 1: mysqli::real_connect(): (HY000/1045): Access denied for user 'pma'@'localhost' (using password: NO)
$cfg['Servers'][$i]['port'] = '3307';
Example 2: mysqli_real_connect(): (HY000/1698): Access denied for user 'root'@'localhost'
ALTER USER 'root'@'localhost' IDENTIFIED BY 'mysql';