Install PHP 7 on AWS EC2 Linux Instance

aws-ec2-php7.2-script.sh

# Pick the topic name or number from the list below

#sudo amazon-linux-extras list
#  0  ansible2   disabled  [ =2.4.2 ]
#  1  emacs   disabled  [ =25.3 ]
#  2  memcached1.5   disabled  [ =1.5.1 ]
#  3  nginx1.12   disabled  [ =1.12.2 ]
#  4  postgresql9.6   disabled  [ =9.6.6 ]
#  5  python3   disabled  [ =3.6.2 ]
#  6  redis4.0   disabled  [ =4.0.5 ]
#  7  R3.4   disabled  [ =3.4.3 ]
#  8  rust1   disabled  [ =1.22.1 ]
#  9  vim   disabled  [ =8.0 ]
# 10  golang1.9   disabled  [ =1.9.2 ]
# 11  ruby2.4   disabled  [ =2.4.2 ]
# 12  nano   disabled  [ =2.9.1 ]
# 13  php7.2=latest  enabled  [ =7.2.0 ]
# 14  lamp-mariadb10.2-php7.2   disabled  [ =10.2.10_7.2.0 ]

sudo amazon-linux-extras enable php7.2

sudo yum update
# check available php packages
yum list available 'php*'

# install desired packages (at your convenience)
sudo yum install php-json php-xml php-cli php-mbstring