php support for web admin in nginx config

src/freedombone-utils-webadmin

@@ -398,6 +398,11 @@ function install_web_admin {
       echo "    root /var/www/${local_hostname}/htdocs;";
       echo '    index index.html;';
       echo "    error_page 405 = \$uri;";
+      echo '    location ~ \.php {';
+      echo '      include snippets/fastcgi-php.conf;';
+      echo '      fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;';
+      echo '      fastcgi_read_timeout 30;';
+      echo '    }';
       echo '  }';
       echo '';
       echo '  location /icons {';
@@ -434,6 +439,11 @@ function install_web_admin {
       echo "    root /var/www/${local_hostname}/htdocs;";
       echo '    index index.html;';
       echo "    error_page 405 = \$uri;";
+      echo '    location ~ \.php {';
+      echo '      include snippets/fastcgi-php.conf;';
+      echo '      fastcgi_pass unix:/var/run/php/php7.0-fpm.sock;';
+      echo '      fastcgi_read_timeout 30;';
+      echo '    }';
       echo '  }';
       echo '';
       echo '  location /icons {';