reinstall php7 ubuntu code example
Example 1: install php 7.3 ubuntu
sudo add-apt-repository ppa:ondrej/phpsudo apt-get update
Example 2: instalar php 7.4 no ubuntu
sudo apt install php7.4-common php7.4-mysql php7.4-xml php7.4-xmlrpc php7.4-curl php7.4-gd php7.4-imagick php7.4-cli php7.4-dev php7.4-imap php7.4-mbstring php7.4-opcache php7.4-soap php7.4-zip php7.4-intl -y