// Вывод страницы настройки формы
function hr_plugin_options_callback()
{
  ?>
 <div class="wrap">
 <h1>Your Plugin Name</h1>

 <form method="post" action="options.php">
     <?php settings_fields( 'my-cool-plugin-settings-group' );  ?>
     <?php do_settings_sections( 'my-cool-plugin-settings-group' );  ?>
     <table class="form-table">
         <tr valign="top">
         <th scope="row">New Option Name</th>
         <td><input type="text" name="new_option_name" value="<?php echo esc_attr( get_option('new_option_name') ); ?>" /></td>
         </tr>

         <tr valign="top">
         <th scope="row">Some Other Option</th>
         <td><input type="text" name="some_other_option" value="<?php echo esc_attr( get_option('some_other_option') ); ?>" /></td>
         </tr>

         <tr valign="top">
         <th scope="row">Options, Etc.</th>
         <td><input type="text" name="option_etc" value="<?php echo esc_attr( get_option('option_etc') ); ?>" /></td>
         </tr>
     </table>

     <?php submit_button();  ?>

 </form>
 </div>
 <?php
}