Created
July 15, 2012 10:52
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通过 PHP 实现定期提醒更换订阅的 RSS Feed
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| <?php | |
| require_once('./wp-load.php'); | |
| // 加载 WordPress 库，用于获取博客标题等信息 | |
| define('DONOTCACHEPAGE', TRUE); | |
| // 禁止 WP Super Cache 对该页面进行缓存 | |
| header('Content-Type: ' . feed_content_type('rss-http') . '; charset=' . get_option('blog_charset'), true); | |
| // 设置页面类型 | |
| $feed_title = '博客更换域名，请更换订阅地址'; | |
| // 文章标题 | |
| $feed_link = 'http://netputer.me/subscribe/'; | |
| // 文章链接 | |
| $feed_desc = '最近把博客旧域名 OrzDream.com 更换为新域名 NetPuter.me 。虽然已经对旧域名设置了重定向，但这并非长久之策，同时也打算统一订阅地址，所以请各位订阅新的 RSS Feed 吧： http://Feed.NetPuter.me/'; | |
| // 文章摘要 | |
| $feed_content = '<p>最近把博客旧域名 <a href="http://OrzDream.com/">OrzDream.com</a> 更换为新域名 <a href="http://NetPuter.me/">NetPuter.me</a> 。虽然已经对旧域名设置了重定向，但这并非长久之策，同时也打算统一订阅地址，所以请各位订阅新的 RSS Feed 吧：</p><p><a href="http://Feed.NetPuter.me/" style="font-size:2em;font-weight:bold;color:#1982D1;">http://Feed.NetPuter.me/</a></p><p>或者：</p><ul><li><a href="http://www.google.com/reader/view/feed/http%3A%2F%2Ffeed.netputer.me%2F" title="订阅到 Google Reader" target="_blank">订阅到 Google Reader</a></li><li><a href="http://xianguo.com/subscribe?url=http%3A%2F%2Ffeed.netputer.me%2F" title="订阅到鲜果" target="_blank">订阅到鲜果</a></li><li><a href="http://reader.youdao.com/b.do?keyfrom=bookmarklet&url=http%3A%2F%2Ffeed.netputer.me%2F" title="订阅到有道" target="_blank">订阅到有道</a></li></ul><p>而原来的这个 Feed ，将成为「周经机器人」，每周提醒「更换订阅」……如果被打扰了，请果断退订吧，谢谢~</p>'; | |
| // 文章内容 | |
| $weekday = intval(gmdate('w', time())); | |
| // 获取今天周几 | |
| $is_wed = ($weekday + 7) % 10 ? FALSE : TRUE; | |
| // 是否为周三 | |
| if ($is_wed) { | |
| $feed_ts = strtotime('Wednesday', time()); | |
| // 使用本周三的时间戳 | |
| } else { | |
| $feed_ts = strtotime('last Wednesday', time()); | |
| // 使用上周三的时间戳 | |
| } | |
| $feed_time = gmdate('D, d M Y 00:00:00 +0000', $feed_ts); | |
| // 将时间戳转换为格式化文本 | |
| // $feed_ts = gmdate('YmdH', time()); | |
| // $feed_time = gmdate('D, d M Y H:00:00 +0000', time()); | |
| // 每小时更新一次，仅用于调试 | |
| 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:atom="http://www.w3.org/2005/Atom" | |
| xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" | |
| > | |
| <channel> | |
| <title><?php bloginfo_rss('name'); wp_title_rss(); ?></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> | |
| <pubDate><?php echo $feed_time; ?></pubDate> | |
| <lastBuildDate><?php echo $feed_time; ?></lastBuildDate> | |
| <language>zh</language> | |
| <sy:updatePeriod><?php echo apply_filters('rss_update_period', 'weekly'); ?></sy:updatePeriod> | |
| <sy:updateFrequency><?php echo apply_filters('rss_update_frequency', '1'); ?></sy:updateFrequency> | |
| <sy:updateBase><?php echo gmdate('Y-m-d\T00:00:00+00:00', $feed_ts); ?></sy:updateBase> | |
| <?php do_action('rss2_head'); ?> | |
| <item> | |
| <title><?php echo $feed_title; ?></title> | |
| <link><?php echo $feed_link; ?></link> | |
| <pubDate><?php echo $feed_time; ?></pubDate> | |
| <guid isPermaLink="false"><?php echo $feed_link.'?'.$feed_ts; ?></guid> | |
| <description><![CDATA[<?php echo $feed_desc; ?>]]></description> | |
| <content:encoded><![CDATA[<?php echo $feed_content; ?>]]></content:encoded> | |
| </item> | |
| </channel> | |
| </rss> |
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