install phpmyadmin from source centos 7 code example
Example: phpmyadmin centos 8
wget https://files.phpmyadmin.net/phpMyAdmin/4.9.4/phpMyAdmin-4.9.4-all-languages.zip
wget https://files.phpmyadmin.net/phpMyAdmin/4.9.4/phpMyAdmin-4.9.4-all-languages.zip