Ticket #50704: 50704.diff

wp-admin/network/site-info.php

@@ -202 +202 @@
                         </td>
                 </tr>
         </table>
-        <?php submit_button(); ?>
+    <?php
+    /**
+         * Fires at the end of the site info form in network admin.
+         *
+         * @since 5.6
+         * 
+         * @param int $id The site ID.
+         */
+        do_action( 'network_site_info_form', $id );
+        
+        submit_button(); 
+        ?>
 </form>
 
 </div>