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rest_filter_response_by_context › WordPress Function

Since5.5.0
Deprecatedn/a
› rest_filter_response_by_context ( $response_data, $schema, $context )
Parameters: (3)
  • (array|object) $response_data The response data to modify.
    Required: Yes
  • (array) $schema The schema for the endpoint used to filter the response.
    Required: Yes
  • (string) $context The requested context.
    Required: Yes
Returns:
  • (array|object) The filtered response data.
Defined at:
Codex:
Change Log:
  • 5.6.0

Filters the response to remove any fields not available in the given context.



Related Functions: rest_filter_response_fields, rest_ensure_response, _oembed_filter_feed_content, _filter_do_shortcode_context, _wp_menu_item_classes_by_context

Source 

function rest_filter_response_by_context( $response_data, $schema, $context ) {
	if ( isset( $schema['anyOf'] ) ) {
		$matching_schema = rest_find_any_matching_schema( $response_data, $schema, '' );
		if ( ! is_wp_error( $matching_schema ) ) {
			if ( ! isset( $schema['type'] ) ) {
				$schema['type'] = $matching_schema['type'];
			}

			$response_data = rest_filter_response_by_context( $response_data, $matching_schema, $context );
		}
	}

	if ( isset( $schema['oneOf'] ) ) {
		$matching_schema = rest_find_one_matching_schema( $response_data, $schema, '', true );
		if ( ! is_wp_error( $matching_schema ) ) {
			if ( ! isset( $schema['type'] ) ) {
				$schema['type'] = $matching_schema['type'];
			}

			$response_data = rest_filter_response_by_context( $response_data, $matching_schema, $context );
		}
	}

	if ( ! is_array( $response_data ) && ! is_object( $response_data ) ) {
		return $response_data;
	}

	if ( isset( $schema['type'] ) ) {
		$type = $schema['type'];
	} elseif ( isset( $schema['properties'] ) ) {
		$type = 'object'; // Back compat if a developer accidentally omitted the type.
	} else {
		return $response_data;
	}

	$is_array_type  = 'array' === $type || ( is_array( $type ) && in_array( 'array', $type, true ) );
	$is_object_type = 'object' === $type || ( is_array( $type ) && in_array( 'object', $type, true ) );

	if ( $is_array_type && $is_object_type ) {
		if ( rest_is_array( $response_data ) ) {
			$is_object_type = false;
		} else {
			$is_array_type = false;
		}
	}

	$has_additional_properties = $is_object_type && isset( $schema['additionalProperties'] ) && is_array( $schema['additionalProperties'] );

	foreach ( $response_data as $key => $value ) {
		$check = array();

		if ( $is_array_type ) {
			$check = isset( $schema['items'] ) ? $schema['items'] : array();
		} elseif ( $is_object_type ) {
			if ( isset( $schema['properties'][ $key ] ) ) {
				$check = $schema['properties'][ $key ];
			} else {
				$pattern_property_schema = rest_find_matching_pattern_property_schema( $key, $schema );
				if ( null !== $pattern_property_schema ) {
					$check = $pattern_property_schema;
				} elseif ( $has_additional_properties ) {
					$check = $schema['additionalProperties'];
				}
			}
		}

		if ( ! isset( $check['context'] ) ) {
			continue;
		}

		if ( ! in_array( $context, $check['context'], true ) ) {
			if ( $is_array_type ) {
				// All array items share schema, so there's no need to check each one.
				$response_data = array();
				break;
			}

			if ( is_object( $response_data ) ) {
				unset( $response_data->$key );
			} else {
				unset( $response_data[ $key ] );
			}
		} elseif ( is_array( $value ) || is_object( $value ) ) {
			$new_value = rest_filter_response_by_context( $value, $check, $context );

			if ( is_object( $response_data ) ) {
				$response_data->$key = $new_value;
			} else {
				$response_data[ $key ] = $new_value;
			}
		}
	}

	return $response_data;
}