// CREATE: $this_field to our desired field type via our $this_field_instance variable
$this_field = $this_field_instance->this_field('my_field_id');
​
// ASSIGN: our global field features
// NOTE: these features are available to all field types but are considered unique,
//  like layout, style, dependency values and validation methods, etc...
$this_field->horizontal(true); // DEFAULT: false
$this_field->style('width: 100%;'); // DEFAULT: false
​
// ASSIGN: our unique field features
// NOTE: these features are only available to this field type
// CONTROLS: this_feature_method | DEFAULT: value
$this_field->this_feature_method();

Function Method
// CALL: wponion/loaded action to load our my_function function
add_action('wponion/loaded', 'my_function');
​
// CREATE: my_function to load our field and module routine
function my_function() {
​
  // CREATE: our wponion_builder variable instance
  // NOTE: we always create a wponion_builder variable instance to boot any wponion feature,
  //  then we determine what to do with that instance and its stored arguments
  $this_field_instance = wponion_builder();
  
  // CREATE: $this_field to our desired field type via our $this_field_instance variable
  $this_field = $this_field_instance->select('my_field_id');
  
  // ASSIGN: our general field features
  // NOTE: these features are available to ALL field types but are considered general,
  //  like title, text descriptions, debug, etc...
  $this_field->title(__('My Field Label')); // DEFAULT: false
  $this_field->desc(__('My field description...')); // DEFAULT:  false
  $this_field->desc_field(__('My field description...')); // DEFAULT: false
  // $this_field->debug(true); // DEFAULT: false
  
  // ASSIGN: our unique field features
  // NOTE: these features are ONLY available to this field type
  // CONTROLS: this_feature_method | DEFAULT: value
  // $this_field->this_feature_method();
​
  // ASSIGN: our global field features
  // NOTE: these features are available to ALL field types but are considered unique in their usage,
  //  like layout, custom css, dependency values and validation methods, etc...
  $this_field->horizontal(true); // DEFAULT: false
  $this_field->style('width: 100%;'); // DEFAULT: false
  $this_field->help(array('content' => __('My field tooltip...'))); // DEFAULT: false
  
  // ASSIGN: option values and their names to our select field dropdown
  // MANUAL: ungrouped options
  // $this_field-options(array(
  //   'my_field_value_1_1' => __('My Field Label 1'),
  //   'my_field_value_1_2' => __('My Field Label 2'),
  //   'my_field_value_1_3' => __('My Field Label 3'),
  // ));
  // MANUAL: grouped options
  $this_field->options(array(
    __('My Field Group Label 1') => array(
      'my_field_value_1_1' => __('My Field Label 1'),
      'my_field_value_1_2' => __('My Field Label 2'),
      'my_field_value_1_3' => __('My Field Label 3'),
    ),
    __('My Field Group Label 2') => array(
      'my_field_value_2_1' => __('My Field Label 1'),
      'my_field_value_2_2' => __('My Field Label 2'),
      'my_field_value_2_3' => __('My Field Label 3'),
    ),
  ));
  // PREDEFINED: list
  // $this_field->options('pages'); // VALUES: pages, posts, categories, tags
  // CUSTOM: post type list
  // NOTE: must use with $this_field->options('posts');
  // $this_field->options('posts');
  // $this_field->query_args(array('post_type' => 'product'));
  // CUSTOM: taxonomy list
  // NOTE: must use with $this_field->options('category or tags');
  // $this_field->options('category');
  // $this_field->query_args(array(
  //   'option_key' => 'slug',
  //   'option_value' => 'term_name',
  //   'option_label' => '#[term_id] | [name] | ([count])'
  // ));
​
  // CREATE: $this_module_instance options array
  // NOTE: these options vary depending on the module output you choose
  //  like wponion_admin_page, wponion_metabox, wponion_taxonomy, etc...
  $this_module_instance = array(
    'metabox_title' => __('My Metabox Title'),
    'metabox_id'    => 'my-metabox-id',
    'option_name'   => 'my_metabox_name',
    'screens'       => array('post', 'page', 'product',),
    'context'       => 'normal',
    'theme'         => 'wp',
    'ajax'          => true,
  );
​
  // CALL: our wponion_metabox module
  // NOTE: Here you can call your desired module method
  //  like wponion_admin_page, wponion_metabox, wponion_taxonomy, etc...
  //  We are passing our module settings and our various field settings into our desired module output
  // NOTE: in a more real world use, $this_field_instance would contain multiple fields and their settings
  //  instead of the one field shown in our documentation demo
  wponion_metabox($this_module_instance, $this_field_instance);
​
}

Class Method
// IF: My_Class does not exist
if (!class_exists('My_Class')) {
​
  // CALL: wponion/loaded action to load our My_Class class
  add_action('wponion/loaded', function() {
    
    // INSTANTIATE: My_Class
    new My_Class();
​
  });
​
  // CREATE: My_Class class
  final class My_Class {
​
    // CREATE: our class constructor method
    public function __construct() {
​
      // CALL: my_function to load our field and module routine
      $this->my_function();
​
    }
​
    // CREATE: my_function function to load our field and module routine
    private function my_function() {
​
      // CREATE: our wponion_builder variable instance
      // NOTE: we always create a wponion_builder variable instance to boot any wponion feature,
      //  then we determine what to do with that instance and its stored arguments
      $this_field_instance = wponion_builder();
      
      // CREATE: $this_field to our desired field type via our $this_field_instance variable
      $this_field = $this_field_instance->select('my_field_id');
      
      // ASSIGN: our general field features
      // NOTE: these features are available to ALL field types but are considered general,
      //  like title, text descriptions, debug, etc...
      $this_field->title(__('My Field Label')); // DEFAULT: false
      $this_field->desc(__('My field description...')); // DEFAULT:  false
      $this_field->desc_field(__('My field description...')); // DEFAULT: false
      // $this_field->debug(true); // DEFAULT: false
      
      // ASSIGN: our unique field features
      // NOTE: these features are ONLY available to this field type
      // CONTROLS: this_feature_method | DEFAULT: value
      // $this_field->this_feature_method();
​
      // ASSIGN: our global field features
      // NOTE: these features are available to ALL field types but are considered unique in their usage,
      //  like layout, custom css, dependency values and validation methods, etc...
      $this_field->horizontal(true); // DEFAULT: false
      $this_field->style('width: 100%;'); // DEFAULT: false
      $this_field->help(array('content' => __('My field tooltip...'))); // DEFAULT: false
      
      // ASSIGN: option values and their names to our select field dropdown
      // MANUAL: ungrouped options
      // $this_field-options(array(
      //   'my_field_value_1_1' => __('My Field Label 1'),
      //   'my_field_value_1_2' => __('My Field Label 2'),
      //   'my_field_value_1_3' => __('My Field Label 3'),
      // ));
      // MANUAL: grouped options
      $this_field->options(array(
        __('My Field Group Label 1') => array(
          'my_field_value_1_1' => __('My Field Label 1'),
          'my_field_value_1_2' => __('My Field Label 2'),
          'my_field_value_1_3' => __('My Field Label 3'),
        ),
        __('My Field Group Label 2') => array(
          'my_field_value_2_1' => __('My Field Label 1'),
          'my_field_value_2_2' => __('My Field Label 2'),
          'my_field_value_2_3' => __('My Field Label 3'),
        ),
      ));
      // PREDEFINED: list
      // $this_field->options('pages'); // VALUES: pages, posts, categories, tags
      // CUSTOM: post type list
      // NOTE: must use with $this_field->options('posts');
      // $this_field->options('posts');
      // $this_field->query_args(array('post_type' => 'product'));
      // CUSTOM: taxonomy list
      // NOTE: must use with $this_field->options('category or tags');
      // $this_field->options('category');
      // $this_field->query_args(array(
      //   'option_key' => 'slug',
      //   'option_value' => 'term_name',
      //   'option_label' => '#[term_id] | [name] | ([count])'
      // ));
​
      // CREATE: $this_module_instance options array
      // NOTE: these options vary depending on the module output you choose
      //  like wponion_admin_page, wponion_metabox, wponion_taxonomy, etc...
      $this_module_instance = array(
        'metabox_title' => __('My Metabox Title'),
        'metabox_id'    => 'my-metabox-id',
        'option_name'   => 'my_metabox_name',
        'screens'       => array('post', 'page', 'product',),
        'context'       => 'normal',
        'theme'         => 'wp',
        'ajax'          => true,
      );
​
      // CALL: our wponion_metabox module
      // NOTE: Here you can call your desired module method
      //  like wponion_admin_page, wponion_metabox, wponion_taxonomy, etc...
      //  We are passing our module settings and our various field settings into our desired module output
      // NOTE: in a more real world use, $this_field_instance would contain multiple fields and their settings
      //  instead of the one field shown in our documentation demo
      wponion_metabox($this_module_instance, $this_field_instance);
​
    }
​
  }
​
}

External Method
// CALL: post_submitbox_misc_actions action to load our render_this_field_externally function
// NOTE: you can render a single wponion field into any custom wp do_action location
// NOTE: you must write your own saving methods when rendering a wponion field externally
add_action('post_submitbox_misc_actions', 'render_this_field_externally');
​
// CREATE: render_this_field_externally to load our field and module routine
// NOTE: our wpo_field function can only echo a single field at a time
//  you cannot pass multiple field types into the final echo ..->render()
function render_this_field_externally() {
​
  // CREATE: our wponion_builder variable instance
  // NOTE: we always create a wponion_builder variable instance to boot any wponion feature,
  //  then we determine what to do with that instance and its stored arguments
  $this_field_instance = wponion_builder();
  
  // CREATE: $this_field to our desired field type via our $this_field_instance variable
  $this_field = $this_field_instance->select('my_field_id');
  
  // ASSIGN: our general field features
  // NOTE: these features are available to ALL field types but are considered general,
  //  like title, text descriptions, debug, etc...
  $this_field->title(__('My Field Label')); // DEFAULT: false
  $this_field->desc(__('My field description...')); // DEFAULT:  false
  $this_field->desc_field(__('My field description...')); // DEFAULT: false
  // $this_field->debug(true); // DEFAULT: false
  
  // ASSIGN: our unique field features
  // NOTE: these features are ONLY available to this field type
  // CONTROLS: this_feature_method | DEFAULT: value
  // $this_field->this_feature_method();
​
  // ASSIGN: our global field features
  // NOTE: these features are available to ALL field types but are considered unique in their usage,
  //  like layout, custom css, dependency values and validation methods, etc...
  $this_field->horizontal(true); // DEFAULT: false
  $this_field->style('width: 100%;'); // DEFAULT: false
  $this_field->help(array('content' => __('My field tooltip...'))); // DEFAULT: false
  
  // ASSIGN: option values and their names to our select field dropdown
  // MANUAL: ungrouped options
  // $this_field-options(array(
  //   'my_field_value_1_1' => __('My Field Label 1'),
  //   'my_field_value_1_2' => __('My Field Label 2'),
  //   'my_field_value_1_3' => __('My Field Label 3'),
  // ));
  // MANUAL: grouped options
  $this_field->options(array(
    __('My Field Group Label 1') => array(
      'my_field_value_1_1' => __('My Field Label 1'),
      'my_field_value_1_2' => __('My Field Label 2'),
      'my_field_value_1_3' => __('My Field Label 3'),
    ),
    __('My Field Group Label 2') => array(
      'my_field_value_2_1' => __('My Field Label 1'),
      'my_field_value_2_2' => __('My Field Label 2'),
      'my_field_value_2_3' => __('My Field Label 3'),
    ),
  ));
  // PREDEFINED: list
  // $this_field->options('pages'); // VALUES: pages, posts, categories, tags
  // CUSTOM: post type list
  // NOTE: must use with $this_field->options('posts');
  // $this_field->options('posts');
  // $this_field->query_args(array('post_type' => 'product'));
  // CUSTOM: taxonomy list
  // NOTE: must use with $this_field->options('category or tags');
  // $this_field->options('category');
  // $this_field->query_args(array(
  //   'option_key' => 'slug',
  //   'option_value' => 'term_name',
  //   'option_label' => '#[term_id] | [name] | ([count])'
  // ));
  
  // CALL: our single field render method
  // NOTE: we can only echo a single field at a time
  //  you cannot pass multiple field types into echo ->render()
  echo $this_field->render('my-custom-name-value', 'my_option_name');
​
}