Schedule auto-draft deletion from post-new.php instead of from admin.php. This provides better throttling for large multisite installs and reduces the risk of a delete avalanche.

fixes #19663


git-svn-id: https://develop.svn.wordpress.org/trunk@20453 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/post.php

@@ -5163,6 +5163,20 @@ function get_post_format_link( $format ) {
 	return get_term_link( $term );
 }
 
+/**
+ * Deletes auto-drafts for new posts that are > 7 days old
+ *
+ * @since 3.4.0
+ */
+function wp_delete_auto_drafts() {
+	global $wpdb;
+
+	// Cleanup old auto-drafts more than 7 days old
+	$old_posts = $wpdb->get_col( "SELECT ID FROM $wpdb->posts WHERE post_status = 'auto-draft' AND DATE_SUB( NOW(), INTERVAL 7 DAY ) > post_date" );
+	foreach ( (array) $old_posts as $delete )
+		wp_delete_post( $delete, true ); // Force delete
+}
+
 /**
  * Filters the request to allow for the format prefix.
  *