apt update
apt install -y software-properties-common ca-certificates lsb-release apt-transport-https curl
add-apt-repository ppa:ondrej/php
apt update
apt install -y apache2
systemctl enable apache2
systemctl start apache2
apt install -y php5.6 php5.6-cli php5.6-common php5.6-mysql php5.6-curl php5.6-gd php5.6-xml php5.6-mbstring libapache2-mod-php5.6
php -v
a2dismod php8.1 php8.2 2>/dev/null
a2enmod php5.6
systemctl restart apache2