我在Wordpress中遇到了使用ACF Pro插件获取内容的自定义RSS Feed。它适用于像Feedly这样的RSS提要阅读器，这很棒，但是我们无法显示它是Apple News Publisher应用程序。
Feed验证。
以下是网址结构： http://www.websitename.com/category/category-name/feed
以下是代码。
//Add to functions.php for custom feed
add_action('init', 'customMagfeed');
function customMagfeed() {
add_feed('magfeed', 'customMagFeedFunc');
}
function customMagFeedFunc() {
get_template_part('rss', 'magfeed');
}
//RSS Feed code
header('Content-Type: '.feed_content_type('rss-http').'; charset='.get_option('blog_charset'), true);
echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>';
?>
<rss version="2.0"
xmlns:content="http://purl.org/rss/1.0/modules/content/"
xmlns:wfw="http://wellformedweb.org/CommentAPI/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:atom="http://www.w3.org/2005/Atom"
xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
<?php do_action('rss2_ns'); ?>>
<channel>
<title><?php bloginfo_rss('name'); ?></title>
<atom:link href="<?php self_link(); ?>" rel="self" type="application/rss+xml" />
<link><?php bloginfo_rss('url') ?></link>
<description><?php bloginfo_rss('description') ?></description>
<lastBuildDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_lastpostmodified('GMT'), false); ?></lastBuildDate>
<language>en-us</language>
<sy:updatePeriod><?php echo apply_filters( 'rss_update_period', 'hourly' ); ?></sy:updatePeriod>
<sy:updateFrequency><?php echo apply_filters( 'rss_update_frequency', '1' ); ?></sy:updateFrequency>
<?php do_action('rss2_head'); ?>
<?php while(have_posts()) : the_post(); ?>
<item>
<title><?php the_title_rss(); ?></title>
<link><?php the_permalink_rss(); ?></link>
<pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_post_time('Y-m-d H:i:s', true), false); ?></pubDate>
<dc:creator><?php the_author(); ?></dc:creator>
<guid isPermaLink="false"><?php the_guid(); ?></guid>
<description><![CDATA[<?php the_excerpt_rss(); ?>]]></description>
<content:encoded><![CDATA[<?php $authors = get_field('authors');
$photographers = get_field('photographers');
$article_share_image_obj = get_field('poster_image');
$article_share_image = $article_share_image_obj['url'];
if ($article_share_image_obj) :
echo '<img src="'.$article_share_image.'"/><br>';
endif;
if ($authors) :
echo '<span>Written by ';
$i = 0;
foreach ($authors as $post) {
$i++;
if ($i === count($authors)) {
echo '<a href="'.get_permalink($post->ID).'">'.get_the_title($post->ID).'</a>';
} else {
echo '<a href="'.get_permalink($post->ID).'">'.get_the_title($post->ID).'</a> & ';
}
}
wp_reset_postdata();
echo '</span><br>';
endif;
if ($photographers) :
echo '<span class="photographer-byline">Photography by ';
$i = 0;
foreach ($photographers as $post) {
$i++;
if ($i === (count($photographers))) {
echo '<a href="'.get_permalink($post->ID).'">'.get_the_title($post->ID).'</a>';
} else {
echo '<a href="'.get_permalink($post->ID).'">'.get_the_title($post->ID).'</a> & ';
}
}
wp_reset_postdata();
echo '</span><br><br>';
endif;
if (have_rows('article_content')) :
while (have_rows('article_content')) : the_row();
if (get_row_layout() == 'lead_text') :
//Lead Text start
the_sub_field('text');
//Lead text start
elseif (get_row_layout() == 'column_content') :
//Column content start
$sidebar = get_sub_field('sidebar');
if ($sidebar === 'sidebar-on-left') :
if (have_rows('left_sidebar')) : while (have_rows('left_sidebar')) : the_row();
//Sidebar builder
$layout = get_row_layout();
if ($layout === 'image') :
$image = get_sub_field('image');
$image_url = $image['sizes']['thumbnail-size'];
$image_url_zoom = $image['sizes']['sidebar-size'];
$caption = get_sub_field('caption');
echo '<a href="'.$image_url_zoom.'" title="'.$caption.'">';
echo '<img src="'.$image_url.'" alt="'.$caption.'"/></a>';
echo $caption;
endif;
//End Sidebar Builder
endwhile; endif;
the_sub_field('content');
elseif ($sidebar === 'sidebar-on-right') :
the_sub_field('content');
if (have_rows('right_sidebar')) : while (have_rows('right_sidebar')) : the_row();
///Sidebar builder
$layout = get_row_layout();
if ($layout === 'image') :
$image = get_sub_field('image');
$image_url = $image['sizes']['thumbnail-size'];
$image_url_zoom = $image['sizes']['sidebar-size'];
$caption = get_sub_field('caption');
echo '<a href="'.$image_url_zoom.'" class="sidebar-image-wrap fancybox" title="'.$caption.'">';
echo '<img src="'.$image_url.'" alt="'.$caption.'"/></a>';
echo $caption;
endif;
//End Sidebar Builder
endwhile; endif;
elseif ($sidebar === 'sidebar-both') :
if (have_rows('left_sidebar')) : while (have_rows('left_sidebar')) : the_row();
//Sidebar builder
$layout = get_row_layout();
if ($layout === 'image') :
$image = get_sub_field('image');
$image_url = $image['sizes']['thumbnail-size'];
$image_url_zoom = $image['sizes']['sidebar-size'];
$caption = get_sub_field('caption');
echo '<a href="'.$image_url_zoom.'" class="sidebar-image-wrap fancybox" title="'.$caption.'">';
echo '<img src="'.$image_url.'" alt="'.$caption.'"/></a>';
echo $caption;
endif;
//End Sidebar Builder
endwhile; endif;
the_sub_field('content');
if (have_rows('right_sidebar')) : while (have_rows('right_sidebar')) : the_row();
//Sidebar builder
$layout = get_row_layout();
if ($layout === 'image') :
$image = get_sub_field('image');
$image_url = $image['sizes']['thumbnail-size'];
$image_url_zoom = $image['sizes']['sidebar-size'];
$caption = get_sub_field('caption');
echo '<a href="'.$image_url_zoom.'" class="sidebar-image-wrap fancybox" title="'.$caption.'">';
echo '<img src="'.$image_url.'" alt="'.$caption.'"/></a>';
echo $caption;
endif;
//End Sidebar Builder
endwhile; endif;
else :
the_sub_field('content');
endif;
//Column content end
elseif (get_row_layout() == 'wide_photo_gallery') :
//Wide Photo Gallery start
if (have_rows('photos')) : while (have_rows('photos')) : the_row();
$gallery_photo = get_sub_field('photo');
$gallery_photo_caption = $gallery_photo['caption'];
$gallery_photo_url = $gallery_photo['sizes']['gallery-wide-large'];
echo '<img src="'.$gallery_photo_url.'"/>';
endwhile; endif;
//Wide Photo Gallery end
elseif (get_row_layout() == 'photo_grid_builder') :
//Photo Grid builder start
if (have_rows('photos')) : while (have_rows('photos')) : the_row();
$photo_size = get_sub_field('photo_size');
if ($photo_size === 'break') :
else :
$photo = get_sub_field('photo');
$photo_url = $photo['url'];
echo '<img src="'.$photo_url.'" class="background"/>';
if (get_sub_field('photo_subtitle') || get_sub_field('photo_caption')) :
if (get_sub_field('photo_subtitle')) :
the_sub_field('photo_subtitle');
endif;
if (get_sub_field('photo_caption')) :
the_sub_field('photo_subtitle');
if (get_sub_field('photo_link')) {
echo '<a href="'.get_sub_field('photo_link').'">Photo Link</a>';
}
endif;
endif;
endif;
endwhile; endif;
//Photo Grid builder end
elseif (get_row_layout() == 'blockquote') :
//Blockquote start
the_sub_field('quote_text');
if (get_sub_field('quote_author')) :
the_sub_field('quote_author');
endif;
//Blockquote end
elseif (get_row_layout() == 'video') :
//Video start
$video_poster_obj = get_sub_field('poster_image');
$video_poster_url = $video_poster_obj['sizes']['background-image-size'];
echo '<a href="'.get_sub_field('video_url').'">Click here to watch the video</a><br>';
echo the_sub_field('video_title').'<br>';
echo the_sub_field('video_caption').'<br>';
//Video end
elseif (get_row_layout() == 'layered_photo_gallery') :
//Layered gallery start
$bg_img_obj = get_sub_field('background_image');
$bg_img_url = $bg_img_obj['url'];
if (get_sub_field('element_title') != '') {
get_sub_field('element_title');
}
if (get_sub_field('element_description') != '') {
get_sub_field('element_description');
}
if (have_rows('slides')) : while (have_rows('slides')) : the_row();
$gallery_photo = get_sub_field('image');
$gallery_photo_url = $gallery_photo['sizes']['gallery-wide-large'];
echo '<img src="'.$gallery_photo_url.'"/>';
if (get_sub_field('slide_title')) {
get_sub_field('slide_title');
}
if (get_sub_field('slide_description')) {
get_sub_field('slide_description');
}
endwhile; endif;
//Layered gallery end
endif;
endwhile;
endif; ?>]]></content:encoded>
<?php rss_enclosure(); ?>
<?php do_action('rss2_item'); ?>
</item>
<?php endwhile; ?>
</channel>
</rss>