WP_REST_URL_Details_Controller::get_image() WordPress Method

	private function get_image( $meta_elements, $url ) {
		$image = $this->get_metadata_from_meta_element(
			$meta_elements,
			'property',
			'(?:og:image|og:image:url)'
		);

		// Bail out if image not found.
		if ( '' === $image ) {
			return '';
		}

		// Attempt to convert relative URLs to absolute.
		$parsed_url = parse_url( $url );
		if ( isset( $parsed_url['scheme'] ) && isset( $parsed_url['host'] ) ) {
			$root_url = $parsed_url['scheme'] . '://' . $parsed_url['host'] . '/';
			$image    = WP_Http::make_absolute_url( $image, $root_url );
		}

		return $image;
	}