Automattic / jetpack

	$url = esc_url( 'https://player.vimeo.com/video/' . $attr['id'] );

	// Handle autoplay and loop arguments.

	if (

		isset( $args['autoplay'] ) && '1' === $args['autoplay'] // Parsed from the embedded URL.

		|| $attr['autoplay']                                    // Parsed from shortcode arguments.

		|| in_array( 'autoplay', $atts )                        // Catch the argument passed without a value.

	) {

		$url = add_query_arg( 'autoplay', 1, $url );

	}

	if (

		isset( $args['loop'] ) && '1' === $args['loop'] // Parsed from the embedded URL.

		$url = add_query_arg( 'autoplay', 1, $url );

	}

	if (

		isset( $args['loop'] ) && '1' === $args['loop'] // Parsed from the embedded URL.

		|| $attr['loop']                                // Parsed from shortcode arguments.

		|| in_array( 'loop', $atts )                    // Catch the argument passed without a value.

	) {

		$url = add_query_arg( 'loop', 1, $url );

	}

	$html = sprintf(

		'<div class="embed-vimeo" style="text-align: center;"><iframe src="%1$s" width="%2$u" height="%3$u" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe></div>',