WP_REST_Server::response_to_data( WP_REST_Response $response, bool|string[] $embed ): array

Source

public function response_to_data( $response, $embed ) {
	$data  = $response->get_data();
	$links = self::get_compact_response_links( $response );

	if ( ! empty( $links ) ) {
		// Convert links to part of the data.
		$data['_links'] = $links;
	}

	if ( $embed ) {
		$this->embed_cache = array();
		// Determine if this is a numeric array.
		if ( wp_is_numeric_array( $data ) ) {
			foreach ( $data as $key => $item ) {
				$data[ $key ] = $this->embed_links( $item, $embed );
			}
		} else {
			$data = $this->embed_links( $data, $embed );
		}
		$this->embed_cache = array();
	}

	return $data;
}

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