Hướng dẫn cài đặt và cấu hình để dùng nhiều version PHP (Multiple versions PHP)

# yum-config-manager --enable remi-php71 [Default]
# yum install php php-common php-fpm
# yum install php-mysql php-pecl-memcache php-pecl-memcached php-gd php-mbstring php-mcrypt php-xml php-pecl-apc php-cli php-pear php-pdo

# yum install php56 php56-php-common php56-php-fpm
# yum install php56-php-mysql php56-php-pecl-memcache php56-php-pecl-memcached php56-php-gd php56-php-mbstring php56-php-mcrypt php56-php-xml php56-php-pecl-apc php56-php-cli php56-php-pear php56-php-pdo

# php -v

# vi /etc/php-fpm.d/www.conf [PHP 7.1]
# vi /opt/remi/php56/root/etc/php-fpm.d/www.conf [PHP 5.6]

user = nginx
group = nginx

listen = 127.0.0.1:9000 [php-fpm]
listen = 127.0.0.1:9001 [php56-php-fpm]

----------------  NGINX  ---------------- 
# systemctl enable nginx 
# systemctl start nginx 
---------------- PHP 7.1 ---------------- 
# systemctl enable php-fpm 
# systemctl start php-fpm 
---------------- PHP 5.6 ----------------
# systemctl enable php56-fpm 
# systemctl start php56-php-fpm 

# getenforce
# setenforce 0 

---------------- Website 1 ----------------
# mkdir -p /var/www/html/example1.com/
# mkdir -p /var/www/html/example2.com/
---------------- Website 2 ----------------
# mkdir -p /var/log/nginx/example1.com/
# mkdir -p /var/log/nginx/example2.com/

---------------- Website 1 ----------------
# chown -R root:nginx /var/www/html/example1.com/
# chmod -R 755 /var/www/html/example1.com/
# chown -R root:nginx /var/log/nginx/example1.com/
# chmod -R 660 /var/log/nginx/example1.com/
---------------- Website 2 ----------------
# chown -R root:nginx /var/www/html/example2.com/
# chmod -R 755 /var/www/html/example2.com/
# chown -R root:nginx /var/log/nginx/example2.com/
# chmod -R 660 /var/log/nginx/example2.com/

# vi /etc/nginx/conf.d/example1.com.conf
# vi /etc/nginx/conf.d/example2.com.conf

server {
	listen 80;
	server_name example1.com www.example1.com;
	root   /var/www/html/example1.com/;
	index index.php index.html index.htm;
	#charset koi8-r;
	access_log /var/log/nginx/example1.com/example1_access_log;
	error_log   /var/log/nginx/example1.com/example1_error_log   error;
	
	location / {
		try_files $uri $uri/ /index.php?$query_string;
	}

	# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
	location ~ .php$ {
		root    /var/www/html/example1.com/;
		fastcgi_pass   127.0.0.1:9000;	#set port for php-fpm to listen on
		fastcgi_index  index.php;
		fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
		include         fastcgi_params;
		include /etc/nginx/fastcgi_params;
	}
}

server {
	listen 80;
	server_name example2.com www.example2.com;
	root /var/www/html/example2.com/;
	index index.php index.html index.htm;
	
	#charset koi8-r;
	access_log /var/log/nginx/example2.com/example2_access_log;
	error_log /var/log/nginx/example2.com/example2_error_log error;
	
	location / {
		try_files $uri $uri/ /index.php?$query_string;
	}
	
	# pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
	location ~ .php$ {
		root /var/www/html/example2.com/;
		fastcgi_pass 127.0.0.1:9001; #set port for php56-php-fpm to listen on
		fastcgi_index index.php;
		fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
		include fastcgi_params;
		include /etc/nginx/fastcgi_params;
	}
}

# echo "" > /var/www/html/example1.com/info.php
# echo "" > /var/www/html/example2.com/info.php

# nginx -t
# systemctl restart nginx php-fpm php56-php-fpm
Verify Nginx Configuration
Verify Nginx Configuration