Ticket #24712: ticket-24712.php

<?php
/*
Plugin Name: Ticket 24712 Test
Description: https://core.trac.wordpress.org/ticket/24712
Author: Pete Nelson
Version: 1.0
*/

if (!defined( 'ABSPATH' )) exit('restricted access');

add_shortcode( 'ticket-24712-test', 'ticket_24712_shortcode' );

function ticket_24712_shortcode( $args ) {

        $args = wp_parse_args( $args, array( 'url' => '' ) );

        $results = wp_oembed_get( $args['url'] );
        $oembed = _wp_oembed_get_object();

        if ( empty ( $oembed->errors ) ) {
                echo $results;
        }
        else {
                ?>
                        <p>
                                <?php
                                        if ( in_array('parse-json-failed', $oembed->errors ) ) echo 'Unable to parse JSON response';
                                        if ( in_array('parse-xml-failed', $oembed->errors ) ) echo 'Unable to parse XML response';
                                ?>
                                <br/>
                                Response Body: <?php echo esc_attr( $oembed->response_body ); ?>
                        </p>
                <?php
        }

}