Title: WP_REST_Settings_Controller::get_item_schema
Published: December 6, 2016
Last modified: February 24, 2026

---

# WP_REST_Settings_Controller::get_item_schema(): array

## In this article

 * [Return](https://developer.wordpress.org/reference/classes/wp_rest_settings_controller/get_item_schema/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_rest_settings_controller/get_item_schema/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_rest_settings_controller/get_item_schema/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_rest_settings_controller/get_item_schema/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wp_rest_settings_controller/get_item_schema/?output_format=md#wp--skip-link--target)

Retrieves the site setting schema, conforming to JSON Schema.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_rest_settings_controller/get_item_schema/?output_format=md#return)󠁿

 array Item schema data.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_rest_settings_controller/get_item_schema/?output_format=md#source)󠁿

    ```php
    public function get_item_schema() {
    	if ( $this->schema ) {
    		return $this->add_additional_fields_schema( $this->schema );
    	}

    	$options = $this->get_registered_options();

    	$schema = array(
    		'$schema'    => 'http://json-schema.org/draft-04/schema#',
    		'title'      => 'settings',
    		'type'       => 'object',
    		'properties' => array(),
    	);

    	foreach ( $options as $option_name => $option ) {
    		$schema['properties'][ $option_name ]                = $option['schema'];
    		$schema['properties'][ $option_name ]['arg_options'] = array(
    			'sanitize_callback' => array( $this, 'sanitize_callback' ),
    		);
    	}

    	$this->schema = $schema;

    	return $this->add_additional_fields_schema( $this->schema );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php#L276)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php#L276-L300)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wp_rest_settings_controller/get_item_schema/?output_format=md#related)󠁿

| Uses | Description | 
| [WP_REST_Settings_Controller::get_registered_options()](https://developer.wordpress.org/reference/classes/wp_rest_settings_controller/get_registered_options/)`wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php` |

Retrieves all of the registered options for the Settings API.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_rest_settings_controller/get_item_schema/?output_format=md#changelog)󠁿

| Version | Description | 
| [4.7.0](https://developer.wordpress.org/reference/since/4.7.0/) | Introduced. |

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