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@oxocode oxocode/Flipboard-feed.php
Last active Dec 24, 2015

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[Plugin] Flipboard feed modifications
<?php
/*
* Plugin Name: Flipboard RSS Feed
* Plugin URI: http://www.gitnerd.com
* Description: A plugin to customize the default RSS Feed according to Flipboard technical specifications.
* Version: 1.0
* Author: oxocode
* Author URI: http://www.gitnerd.com
*/
add_filter( 'the_content_feed', 'flipboard_title_and_subtitle' );
function flipboard_title_and_subtitle( $content ) {
global $post;
$post_subtitle = get_post_meta( $post->ID, 'subtitle', TRUE );
// add hgroup only if the Custom Field is set
if ( $post_subtitle ) {
$hgroup = '<hgroup><h1>' . $post->post_title . '</h1>';
$hgroup .= '<h2>' . $post_subtitle . '</h2></hgroup>';
return $hgroup . $content;
} else {
return $content;
}
}
add_filter( 'the_content_feed', 'flipboard_pull_quotes' );
function flipboard_pull_quotes( $content ) {
// replace blockquote tag with aside
return str_replace( 'blockquote>', 'aside>', $content );
}
add_filter( 'rss2_item', 'flipboard_attached_images' );
function flipboard_attached_images() {
global $post;
$attachments = get_posts( array(
'post_type' => 'attachment',
'post_mime_type' => 'image',
'posts_per_page' => -1,
'post_parent' => $post->ID,
'exclude' => get_post_thumbnail_id()
) );
if ( $attachments ) {
foreach ( $attachments as $att ) {
$img_attr = wp_get_attachment_image_src( $att->ID, 'full' );
?>
<media:content url="<?php echo $img_attr[0]; ?>" type="<?php echo $att->post_mime_type; ?>" medium="image" width="<?php echo $img_attr[1]; ?>" height="<?php echo $img_attr[2]; ?>">
<media:description type="plain"><![CDATA[<?php echo $att->post_title; ?>]]></media:description>
<media:copyright><?php echo get_the_author(); ?></media:copyright>
</media:content>
<?php
}
}
add_filter( 'rss2_item', 'flipboard_attached_videos' );
function flipboard_attached_videos() {
global $post;
$attachments = get_posts( array(
'post_type' => 'attachment',
'post_mime_type' => 'video',
'posts_per_page' => -1,
'post_parent' => $post->ID,
'exclude' => get_post_thumbnail_id()
) );
if ( $attachments ) {
foreach ( $attachments as $att ) {
$video_url = wp_get_attachment_url( $att->ID );
$parts = explode( '|', $att->post_content );
?>
<media:content url="<?php echo $video_url; ?>" type="<?php echo $att->post_mime_type; ?>">
<media:description type="plain"><![CDATA[<?php echo $att->post_title; ?>]]></media:description>
<media:copyright><?php echo get_the_author(); ?></media:copyright>
<media:thumbnail url="<?php echo $parts[0]; ?>" width="<?php echo $parts[1]; ?>" height="<?php echo $parts[2]; ?>" />
</media:content>
<?php
}
}
}
add_filter( 'rss2_item', 'flipboard_attached_audio' );
function flipboard_attached_audio() {
global $post;
$attachments = get_posts( array(
'post_type' => 'attachment',
'post_mime_type' => 'audio',
'posts_per_page' => -1,
'post_parent' => $post->ID,
'exclude' => get_post_thumbnail_id()
) );
if ( $attachments ) {
foreach ( $attachments as $att ) {
$audio_url = wp_get_attachment_url( $att->ID );
$parts = explode( '|', $att->post_content );
$headers = get_headers( $audio_url, 1 );
$filesize = $headers['Content-Length'];
?>
<media:content url="<?php echo $audio_url; ?>" fileSize="<?php echo $filesize; ?>" type="<?php echo $att->post_mime_type; ?>">
<media:description type="plain"><![CDATA[<?php echo $att->post_title; ?>]]></media:description>
<media:copyright><?php echo get_the_author(); ?></media:copyright>
<media:thumbnail url="<?php echo $parts[0]; ?>" width="<?php echo $parts[1]; ?>" height="<?php echo $parts[2]; ?>" />
</media:content>
<?php
}
}
}
add_filter( 'the_content_feed', 'flipboard_slideshow' );
function flipboard_slideshow( $content ) {
global $post;
$attachments = get_posts( array(
'post_type' => 'attachment',
'post_mime_type' => 'image',
'posts_per_page' => -1,
'post_parent' => $post->ID,
'exclude' => get_post_thumbnail_id()
) );
if ( $attachments ) {
$slide = '<section class="fl-slideshow"><h1>' . $post->post_title . '</h1>';
foreach ( $attachments as $att ) {
$img_attr = wp_get_attachment_image_src( $att->ID, 'full' );
$slide .= '<figure>
<img src="' . $img_attr[0] . '" width="' . $img_attr[1] . '" height="' . $img_attr[2] . '">
<figcaption>' . $att->post_title . '</figcaption>
</figure>';
}
$slide .= '</section>';
return $content . $slide;
} else {
return $content;
}
}
?>
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