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2f263fce99
Fixes bug where an invalid Last-Modified value would be returned in feed requests for sites that had 0 items to return. Comment or post feeds will now return the current timestamp as the Last-Modified header value. Example: a request for the comments feed for a site without any comments. Replaced use of the local static variable `$cache_lastcommentmodified` to store the modified date in `get_lastcommentmodified()` with the Object Cache API. The `get_lastcommentmodified()` function returns early if there is a cached value and returns `false` if there where no comments found. Introduced `_clear_modified_cache_on_transition_comment_status()` to flush the `lastcommentmodified` cache key when a comment enters or leaves approval status. In `get_lastpostmodified()` return early if there is a cached value and return `false` if there are no posts found. Props swissspidy, rachelbaker, dllh, leobaiano. Fixes #38027. Built from https://develop.svn.wordpress.org/trunk@38925 git-svn-id: http://core.svn.wordpress.org/trunk@38868 1a063a9b-81f0-0310-95a4-ce76da25c4cd
105 lines
3.6 KiB
PHP
105 lines
3.6 KiB
PHP
<?php
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/**
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* RSS2 Feed Template for displaying RSS2 Comments feed.
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*
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* @package WordPress
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*/
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header('Content-Type: ' . feed_content_type('rss2') . '; charset=' . get_option('blog_charset'), true);
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echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>';
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/** This action is documented in wp-includes/feed-rss2.php */
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do_action( 'rss_tag_pre', 'rss2-comments' );
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?>
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<rss version="2.0"
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xmlns:content="http://purl.org/rss/1.0/modules/content/"
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xmlns:dc="http://purl.org/dc/elements/1.1/"
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xmlns:atom="http://www.w3.org/2005/Atom"
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xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
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<?php
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/** This action is documented in wp-includes/feed-rss2.php */
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do_action( 'rss2_ns' );
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?>
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<?php
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/**
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* Fires at the end of the RSS root to add namespaces.
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*
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* @since 2.8.0
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*/
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do_action( 'rss2_comments_ns' );
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?>
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>
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<channel>
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<title><?php
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if ( is_singular() )
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printf( ent2ncr( __( 'Comments on: %s' ) ), get_the_title_rss() );
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elseif ( is_search() )
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printf( ent2ncr( __( 'Comments for %1$s searching on %2$s' ) ), get_bloginfo_rss( 'name' ), get_search_query() );
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else
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printf( ent2ncr( __( 'Comments for %s' ) ), get_wp_title_rss() );
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?></title>
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<atom:link href="<?php self_link(); ?>" rel="self" type="application/rss+xml" />
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<link><?php (is_single()) ? the_permalink_rss() : bloginfo_rss("url") ?></link>
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<description><?php bloginfo_rss("description") ?></description>
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<lastBuildDate><?php
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$date = get_lastcommentmodified( 'GMT' );
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echo $date ? mysql2date( 'r', $date ) : date( 'r' );
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?></lastBuildDate>
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<sy:updatePeriod><?php
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/** This filter is documented in wp-includes/feed-rss2.php */
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echo apply_filters( 'rss_update_period', 'hourly' );
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?></sy:updatePeriod>
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<sy:updateFrequency><?php
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/** This filter is documented in wp-includes/feed-rss2.php */
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echo apply_filters( 'rss_update_frequency', '1' );
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?></sy:updateFrequency>
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<?php
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/**
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* Fires at the end of the RSS2 comment feed header.
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*
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* @since 2.3.0
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*/
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do_action( 'commentsrss2_head' );
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if ( have_comments() ) : while ( have_comments() ) : the_comment();
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$comment_post = $GLOBALS['post'] = get_post( $comment->comment_post_ID );
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?>
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<item>
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<title><?php
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if ( !is_singular() ) {
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$title = get_the_title($comment_post->ID);
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/** This filter is documented in wp-includes/feed.php */
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$title = apply_filters( 'the_title_rss', $title );
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printf(ent2ncr(__('Comment on %1$s by %2$s')), $title, get_comment_author_rss());
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} else {
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printf(ent2ncr(__('By: %s')), get_comment_author_rss());
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}
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?></title>
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<link><?php comment_link() ?></link>
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<dc:creator><![CDATA[<?php echo get_comment_author_rss() ?>]]></dc:creator>
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<pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_comment_time('Y-m-d H:i:s', true, false), false); ?></pubDate>
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<guid isPermaLink="false"><?php comment_guid() ?></guid>
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<?php if ( post_password_required($comment_post) ) : ?>
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<description><?php echo ent2ncr(__('Protected Comments: Please enter your password to view comments.')); ?></description>
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<content:encoded><![CDATA[<?php echo get_the_password_form() ?>]]></content:encoded>
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<?php else : // post pass ?>
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<description><![CDATA[<?php comment_text_rss() ?>]]></description>
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<content:encoded><![CDATA[<?php comment_text() ?>]]></content:encoded>
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<?php endif; // post pass
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/**
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* Fires at the end of each RSS2 comment feed item.
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*
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* @since 2.1.0
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*
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* @param int $comment->comment_ID The ID of the comment being displayed.
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* @param int $comment_post->ID The ID of the post the comment is connected to.
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*/
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do_action( 'commentrss2_item', $comment->comment_ID, $comment_post->ID );
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?>
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</item>
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<?php endwhile; endif; ?>
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</channel>
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</rss>
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