So i installed on Centos 7 64 and i get the same result VestaCP
# php -v
PHP 7.4.0RC2 (cli) (built: Sep 17 2019 16:37:54) ( NTS )
Copyright © The PHP Group
Zend Engine v3.4.0-dev, Copyright © Zend Technologies
So you need to do the below :
yum install yum-utils -y yum-config-manager --disable remi-php5* yum-config-manager --disable remi-test yum-config-manager --disable remi-php70 yum-config-manager --disable remi-php71 yum-config-manager --disable remi-php72 yum-config-manager --disable remi-php74 yum-config-manager --enable remi-php73 yum remove php yum remove php-* yum install roundcubemail yum install phpmyadmin chmod 777 /var/lib/phpMyAdmin/temp service httpd restart
This is the result :
php -v
PHP 7.3.10 (cli) (built: Sep 24 2019 09:20:18) ( NTS )
Copyright © 1997-2018 The PHP Group
Zend Engine v3.3.10, Copyright © 1998-2018 Zend Technologies