我正在我的插件中获取一个远程提要，有些条目有我想要保留的iframe代码。然而，SimplePiefetch_feed 不断地把它剥下来。以下是我的代码和我已经尝试过的内容：

kses_remove_filters(); # remove kses filters but SimplePie strips codes anyway
$rss = fetch_feed( \'http://www.someblog.com/feed/\' );
$rss_items = $rss->get_items( 0, 2 );  # get two entries for this example
foreach ( $rss_items as $item ) {
    # just dump to screen:
    echo "<div id=\'message\' class=\'updated\'><p>" .  $item->get_content() . "</p></div>";
}
kses_init_filters(); # remove kses filters but SimplePie strips codes anyway


# also tried adding iframe to kses_allowed_html filter:
function se87359_add_filter( &$feed, $url ) {
    add_filter(\'wp_kses_allowed_html\', \'se87359_add_allowed_tags\');
}
add_filter( \'wp_feed_options\', \'se87359_add_filter\', 10, 2 );
function se87359_add_allowed_tags($tags) {
    // Ensure we remove it so it doesn\'t run on anything else
    remove_filter(\'wp_kses_allowed_html\', \'se87359_add_allowed_tags\');
    $tags[\'iframe\'] = array(
    \'src\' => true,
    \'width\' => true,
    \'height\' => true,
    \'class\' => true,
    \'frameborder\' => true,
    \'webkitAllowFullScreen\' => true,
    \'mozallowfullscreen\' => true,
    \'allowFullScreen\' => true
    );
    return $tags;
}

# also made sure not to cache the feed (for testing only):
function do_not_cache_feeds(&$feed) {
    $feed->enable_cache(false);
}
add_action( \'wp_feed_options\', \'do_not_cache_feeds\' );

# in case above doesn\'t work, set transient lifetime to 1 second:
add_filter( \'wp_feed_cache_transient_lifetime\', create_function( \'$a\', \'return 1;\' ) );