diff --git a/README.md b/README.md
index 3e1afb5..5751bec 100644
--- a/README.md
+++ b/README.md
@@ -45,11 +45,12 @@ Online nginx configuration generator.
 
 ### PHP
 * PHP
-* PHP connection
+* PHP server
 	* TCP
 	* HHVM socket
 	* 5.x socket
 	* 7.x socket
+* PHP backup server
 * WordPress security essentials
 * Drupal security essentials
 
diff --git a/public/assets/js/app.js b/public/assets/js/app.js
index c1cfa34..cc78d2c 100644
--- a/public/assets/js/app.js
+++ b/public/assets/js/app.js
@@ -64,7 +64,8 @@
 			fallback_php_path:	'/api/',
 
 			php:				true,
-			php_connection:		'/var/run/php/php7.2-fpm.sock',
+			php_server:			'/var/run/php/php7.2-fpm.sock',
+			php_server_backup:	'',
 			wordpress:			false,
 			drupal:				false,
 
@@ -452,6 +453,10 @@
 			return $scope.data.php;
 		};
 
+		$scope.isPHPBackup = function() {
+			return $scope.isPHP() && !!$scope.data.php_server_backup;
+		};
+
 		$scope.isWordPress = function() {
 			return $scope.isPHP() && $scope.data.wordpress;
 		};
diff --git a/public/index.html b/public/index.html
index f456e7d..35977ea 100644
--- a/public/index.html
+++ b/public/index.html
@@ -380,10 +380,28 @@
 								</div>
 								<div class="form-group row" ng-if="isPHP()">
 									<label class="col-sm-3 col-form-label col-form-label-sm">
-										PHP connection
+										PHP server
 									</label>
 									<div class="col-sm-9">
-										<select class="custom-select form-control-sm" ng-model="data.php_connection" ng-class="{ 'input-changed': data.php_connection !== defaultData.php_connection }">
+										<select class="custom-select form-control-sm" ng-model="data.php_server" ng-class="{ 'input-changed': data.php_server !== defaultData.php_server }">
+											<option value="127.0.0.1:9000">TCP: 127.0.0.1:9000</option>
+											<option value="/var/run/hhvm/sock">HHVM socket: /var/run/hhvm/sock</option>
+											<option value="/var/run/hhvm/hhvm.sock">HHVM socket: /var/run/hhvm/hhvm.sock</option>
+											<option value="/var/run/php5-fpm.sock">5.x socket: /var/run/php5-fpm.sock</option>
+											<option value="/var/run/php/php7.0-fpm.sock">7.0 socket: /var/run/php/php7.0-fpm.sock</option>
+											<option value="/var/run/php/php7.1-fpm.sock">7.1 socket: /var/run/php/php7.1-fpm.sock</option>
+											<option value="/var/run/php/php7.2-fpm.sock">7.2 socket: /var/run/php/php7.2-fpm.sock</option>
+											<option value="/var/run/php/php7.3-fpm.sock">7.3 socket: /var/run/php/php7.3-fpm.sock</option>
+										</select>
+									</div>
+								</div>
+								<div class="form-group row" ng-if="isPHP()">
+									<label class="col-sm-3 col-form-label col-form-label-sm">
+										PHP backup server
+									</label>
+									<div class="col-sm-9">
+										<select class="custom-select form-control-sm" ng-model="data.php_server_backup" ng-class="{ 'input-changed': data.php_server_backup !== defaultData.php_server_backup }">
+											<option value="">disabled</option>
 											<option value="127.0.0.1:9000">TCP: 127.0.0.1:9000</option>
 											<option value="/var/run/hhvm/sock">HHVM socket: /var/run/hhvm/sock</option>
 											<option value="/var/run/hhvm/hhvm.sock">HHVM socket: /var/run/hhvm/hhvm.sock</option>
diff --git a/public/templates/conf/nginx.conf.html b/public/templates/conf/nginx.conf.html
index d9495e8..41654a4 100644
--- a/public/templates/conf/nginx.conf.html
+++ b/public/templates/conf/nginx.conf.html
@@ -8,7 +8,14 @@ events {
 	worker_connections 65535;
 }
 
-http {
+http {<!--
+
+	✔ PHP backup --><span ng-if="isPHPBackup()">
+	upstream php {
+		server {{ data.php_server[0] === '/' ? 'unix:' : '' }}{{ data.php_server }};
+		server {{ data.php_server_backup[0] === '/' ? 'unix:' : '' }}{{ data.php_server_backup }} backup;
+	}
+</span>
 	charset utf-8;
 	sendfile on;
 	tcp_nopush on;
diff --git a/public/templates/conf/nginxconfig.io/php_fastcgi.conf.html b/public/templates/conf/nginxconfig.io/php_fastcgi.conf.html
index f1915b4..e74758c 100644
--- a/public/templates/conf/nginxconfig.io/php_fastcgi.conf.html
+++ b/public/templates/conf/nginxconfig.io/php_fastcgi.conf.html
@@ -1,7 +1,7 @@
 try_files $uri =404;
 
 # fastcgi
-fastcgi_pass				{{ data.php_connection[0] === '/' ? 'unix:' : '' }}{{ data.php_connection }};
+fastcgi_pass				{{ !isPHPBackup() ? ((data.php_server[0] === '/' ? 'unix:' : '') + data.php_server) : 'php' }};
 fastcgi_index				index.php;
 fastcgi_split_path_info		^(.+\.php)(/.+)$;
 fastcgi_param				SCRIPT_FILENAME $document_root$fastcgi_script_name;