This hack delays posting to the RSS feeds for 10 minutes (you can customise it). This can be useful as it gives you some leeway to re-read the live post and make any minor changes before it goes to the RSS feeds. Using this hack you can also keep content exclusive to your site for a day or a week before pushing it out to your RSS readers.

[php]
function publish_later_on_feed($where) {
global $wpdb;

if (is_feed()) {
// timestamp in WP-format
$now = gmdate(‘Y-m-d H:i:s’);

// value for wait; + device
$wait = ’10’; // integer

// http://dev.mysql.com/doc/refman/5.0/en/date-and-time-functions.html#function_timestampdiff
$device = ‘MINUTE’; // MINUTE, HOUR, DAY, WEEK, MONTH, YEAR

// add SQL-sytax to default $where
$where .= " AND TIMESTAMPDIFF($device, $wpdb->posts.post_date_gmt, ‘$now’) > $wait ";
}
return $where;
}
add_filter(‘posts_where’, ‘publish_later_on_feed’);
[/php]

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