diff --git a/installer.sh b/installer.sh
index fbf6714..ac4da23 100644
--- a/installer.sh
+++ b/installer.sh
@@ -1,5 +1,31 @@
 #!/usr/bin/env bash
 
+function restore_system() {
+    current_php=$(readlink -f /usr/bin/php)
+    if [ "$current_php" == "/usr/bin/hestiacp-php-selector" ]; then
+        if [ -e /etc/hestia_php_selector/system/php.path ]; then
+            php_sys=$(cat /etc/hestia_php_selector/system/php.path)
+            if [ -n "$php_sys" ]; then
+                update-alternatives --display php | grep "/usr/bin/php82"
+                if [ $? -eq 0 ]; then
+                    update-alternatives --set php "$php_sys"
+                else
+                    php_ver=$(echo "$php_sys" | grep -o -P "php\d+.?\d+")
+                    is_sim_php=$(update-alternatives --display php | tail -n +3 | grep -Po "^(.+?)(?= -)" | grep "$php_ver" | head -n1)
+                    fst_php=$(update-alternatives --display php | tail -n +3 | grep -Po "^(.+?)(?= -)" | head -n1)
+                    if [ -n "$is_sim_php" ]; then
+                        update-alternatives --set php "$is_sim_php"
+                    else
+                        if [ -n "$fst_php" ]; then
+                            update-alternatives --set php "$fst_php"
+                        fi
+                    fi
+                fi
+            fi
+        fi
+    fi
+}
+
 uid=$(id -u)
 if [ "$uid" != "0" ]; then
     echo "Command must be executed as privileged user"
@@ -15,43 +41,24 @@ install)
         if [ ! -e /etc/hestia_php_selector/system/php.path ]; then
             mkdir -p /etc/hestia_php_selector/system/
             current_path_to_php=$(readlink -f /usr/bin/php)
-            echo "$current_path_to_php" > /etc/hestia_php_selector/system/php.path
+            echo "$current_path_to_php" >/etc/hestia_php_selector/system/php.path
             chmod 644 /etc/hestia_php_selector/system/php.path
         fi
         /usr/bin/hestiacp-php-admin add
     fi
-;;
+    ;;
 delete)
-    current_php=$(readlink -f /usr/bin/php)
-    if [ "$current_php" == "/usr/bin/hestiacp-php-selector" ]; then
-        if [ -e /etc/hestia_php_selector/system/php.path ]; then
-            php_sys=$(cat /etc/hestia_php_selector/system/php.path)
-            if [ -n "$php_sys" ]; then
-                update-alternatives --display php | grep "/usr/bin/php82"
-                if [ $? -eq 0 ]; then
-                    update-alternatives --set php "$php_sys"
-                else
-                    php_ver=$(echo "$php_sys" | grep -o -P "php\d+.?\d+")
-                    is_sim_php=`update-alternatives --display php | tail -n +3 | grep -Po "^(.+?)(?= -)" | grep "$php_ver" | head -n1`
-                    fst_php=`update-alternatives --display php | tail -n +3 | grep -Po "^(.+?)(?= -)" | head -n1`
-                    if [ -n "$is_sim_php" ]; then
-                        update-alternatives --set php "$is_sim_php"
-                    else
-                        if [ -n "$fst_php" ]; then
-                            update-alternatives --set php "$fst_php"
-                        fi
-                    fi
-                fi
-            fi
-        fi
-    fi
+    restore_system
     update-alternatives --display php | grep hestiacp-php-selector
     if [ $? -eq 0 ]; then
         update-alternatives --remove php /usr/bin/hestiacp-php-selector
     fi
     /usr/bin/hestiacp-php-admin remove-all
-;;
+    ;;
+off)
+    restore_system
+    ;;
 *)
     echo "Unknown command"
-;;
-esac
\ No newline at end of file
+    ;;
+esac