WordPress/wp-includes/feed-rssjs.php
Andrew Nacin c8bbc31c39 Add an experimental rssjs feed based on the experimental rss.js spec.
This is simply a JSON representation of the RSS 2.0 feed, accessible at /feed/rssjs/ anywhere.

props pento.
see #25639.

Built from https://develop.svn.wordpress.org/trunk@26294


git-svn-id: http://core.svn.wordpress.org/trunk@26199 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2013-11-20 22:58:09 +00:00

110 lines
2.7 KiB
PHP

<?php
/**
* rss.js Feed Template for displaying rss.js Posts feed.
*
* @package WordPress
* @subpackage Feed
* @since 3.8.0
*/
$json = new stdClass();
$json->rss = new stdClass();
$json->rss->version = "2.0";
$json->rss->channel = new stdClass();
$json->rss->channel->title = get_bloginfo( 'name' );
$json->rss->channel->link = get_bloginfo( 'url' );
$json->rss->channel->description = get_bloginfo( 'description' );
$json->rss->channel->language = get_bloginfo( 'language' );
$json->rss->channel->lastBuildDate = mysql2date( 'D, d M Y H:i:s +0000', get_lastpostmodified( 'GMT' ), false );
$json->rss->channel->docs = "http://cyber.law.harvard.edu/rss/rss.html";
$json->rss->channel->generator = 'WordPress ' . get_bloginfo( 'version' );
$json->rss->channel->ttl = 15;
$json->rss->channel->item = array();
header( 'Content-Type: ' . feed_content_type( 'rssjs' ) . '; charset=' . get_option( 'blog_charset' ), true );
/*
* The JSONP callback function to add to the JSON feed
*
* @since 3.8.0
*
* @param string $callback The JSONP callback function name
*/
$callback = apply_filters( 'json_feed_callback', get_query_var( 'callback' ) );
if ( ! empty( $callback ) && ! apply_filters( 'json_jsonp_enabled', true ) ) {
status_header( 400 );
echo json_encode( array(
'code' => 'json_callback_disabled',
'message' => 'JSONP support is disabled on this site.'
) );
exit;
}
if ( preg_match( '/\W/', $callback ) ) {
status_header( 400 );
echo json_encode( array(
'code' => 'json_callback_invalid',
'message' => 'The JSONP callback function is invalid.'
) );
exit;
}
/*
* Action triggerd prior to the JSON feed being created and sent to the client
*
* @since 3.8.0
*/
do_action( 'json_feed_pre' );
while( have_posts() ) {
the_post();
$item = new stdClass();
$item->title = get_the_title();
$item->link = get_permalink();
$item->guid = get_the_guid();
$item->description = get_the_content();
$item->pubDate = mysql2date( 'D, d M Y H:i:s +0000', get_post_time( 'Y-m-d H:i:s', true ), false );
/*
* The item to be added to the rss.js Post feed
*
* @since 3.8.0
*
* @param object $item The rss.js Post item
*/
$item = apply_filters( 'rssjs_feed_item', $item );
$json->rss->channel->item[] = $item;
}
/*
* The data to be sent to the user as JSON
*
* @since 3.8.0
*
* @param object $json The JSON data object
*/
$json = apply_filters( 'rssjs_feed', $json );
$json_str = json_encode( $json );
if ( ! empty( $callback ) ) {
echo "$callback( $json_str );";
} else {
echo $json_str;
}
/*
* Action triggerd after the JSON feed has been created and sent to the client
*
* @since 3.8.0
*/
do_action( 'json_feed_post' );