gistfile1.txt

<?php
/* Plugin Name: My Plugin */

include( dirname( __FILE__ ) . '/library/admin-page-framework.php' );
if ( ! class_exists( 'MyPluginName_AdminPageFramework' ) ) {
    return;
}

class MyPluginName extends MyPluginName_AdminPageFramework {
//... Start code here ...
  
  
  // Create admin page
  public function setUp() {
    // https://wordpress.org/support/topic/is-it-possible-to-specify-user-capability-to-edit-a-plugin/
    // http://codex.wordpress.org/Roles_and_Capabilities
    $this->setCapability( 'administrator' );
    $this->setRootMenuPage( 'Settings' ); 
    $this->addSubMenuItem(
        array(
            'title'              =>  'My plugin Options Page',
            'menu_title'         =>  'My Plugin',
            // The slug should not contain characters which cannot be used 
            // in function names such as dots and hyphens
            'page_slug'          =>  'my_plugin_page',
        )
    ); 
  
    // Add Sections
    // https://admin-page-framework.michaeluno.jp/en/v3/class-AdminPageFramework_Factory_Controller.html#_addSettingField
    
    $this->addSettingSections(
      'my_plugin_page',
      array(
          // Dirty Hack: this is a dummy section to add an intro text
          // See here: https://wordpress.org/support/topic/custom-html-section/
          'section_id'          => 'global_section',
          // 'title'              => __( 'My global section', 'my_text_domain' ),
          'content'             => __( '<p><br>This is a global section with an intro text.</p>', 'my_text_domain' ),
      ),
      array(
          'section_id'          => 'my_first_section',
          'title'               => __( 'My first section', 'my_text_domain' ),
          'description'         => __( 'My nice first section with some checkbox.', 'my_text_domain' ),
      ),
      array(
          'section_id'          => 'my_second_section',
          'title'               => __( 'My second section', 'my_text_domain' ),
          'description'         => __( 'This is a section with more checkbox.', 'my_text_domain' ),
      )
    );
  
    // Add Fields
    // https://admin-page-framework.michaeluno.jp/en/v3/class-AdminPageFramework_Factory_Controller.html#_addSettingField
    $this->addSettingFields(
      'my_first_section',
      array(
        'field_id'              =>    'my_checkbox_1',
        'type'                  =>    'checkbox',
        'title'                 =>    __( 'Checkbox 1', 'my_text_domain' ),
        'label'                 =>    __( 'Check me.', 'my_text_domain' ),
        'default'               =>    false,
      ),
      array(
        'field_id'              =>    'my_checkbox_2',
        'type'                  =>    'checkbox',
        'title'                 =>    __( 'Checkbox 2', 'my_text_domain' ),
        'label'                 =>    __( 'Check me.', 'my_text_domain' ),
        'default'               =>    false,
      )
    );
    $this->addSettingFields(
      'my_second_section',
      array(
        'field_id'              =>    'my_checkbox_3',
        'type'                  =>    'checkbox',
        'title'                 =>    __( 'Checkbox 3', 'my_text_domain' ),
        'label'                 =>    __( 'Check me.', 'my_text_domain' ),
        'description'           =>    __( 'The description for the field.', 'my_text_domain' ), // More
        'tip'                   =>    __( 'This is a Tip.', 'my_text_domain' ), // More
        'default'               =>    false,
      ),
      array(
        'field_id'              =>    'my_checkbox_4',
        'type'                  =>    'checkbox',
        'title'                 =>    __( 'Checkbox 4', 'my_text_domain' ),
        'label'                 =>    __( 'Check me.', 'my_text_domain' ),
        'default'               =>    false,
      ),
      array( // Submit button
        'field_id'              => 'submit_button_b',
        'type'                  => 'submit',
        'show_title_column'     => false,
        'label'                 => __( 'Submit', 'my_text_domain' ),
      ), 
      array( // Reset button
        'field_id'              => 'submit_button_reset',
        'title'                 => __( 'Reset Button', 'my_text_domain' ),
        'type'                  => 'submit',
        'reset'                 => true,
        'label'                 => __( 'Reset', 'my_text_domain' ),
        'show_title_column'     => false,
        'attributes'            => array(
        'class'                 => 'button button-secondary',
        //'style' => 'float:right; clear:none; display: inline;',
        ), // End of Button CC Class Array
      )          
    );  
  } // End of public function setUp()  

  /*
   * Create content at the end of admin page
   * Notice that the name of the method is 'do_' + the page slug: do_{page slug}
   * So the slug should not contain characters which cannot be used in function names such as dots and hyphens
   */
  public function do_my_plugin_page() {
    ?>
    <h4>Say Something</h4>
    <p>This is my first admin page!</p>
    <?php  
  }


// ... End of Code ...
}
new MyPluginName;

/*
  if (AdminPageFramework::getOption( 'MyPluginName', 'my_checkbox_2', true ) == '1' ) {
    remove_action( 'wp_head', 'feed_links', 2 );
    remove_action( 'wp_head', 'feed_links_extra', 3 );
  } else {}
*/

 if (AdminPageFramework::getOption( 'MyPluginName', 'my_checkbox_2', '1' )) {
    remove_action( 'wp_head', 'feed_links', 2 );
    remove_action( 'wp_head', 'feed_links_extra', 3 );
  } else {}