WordPress原创插件：文章ID连续 无空ID免费
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WordPress原创插件：文章ID连续 无空ID【免费】启用插件后，发表新文章时，文章ID将会连续不间断且没有空ID支持任何操作不会占用ID对前期未使用的空ID，自动检测并使用 <?php// 确保不会在其他操作中占用IDadd_action('admin_menu', 'continuous_post_ids_remove_hooks');function continuous_post_ids_remove_hooks() { remove_action('wp_insert_post', 'wp_update_term_count'); remove_action('wp_insert_post', 'wp_update_comment_count');}// 在发表新文章时确保ID连续且没有空IDadd_filter('wp_insert_post_data', 'continuous_post_ids_set_post_id', 10, 2);function continuous_post_ids_set_post_id($data, $postarr) { if ($data['post_status'] == 'publish' && $data['post_type'] == 'post') { global $wpdb; $unused_post_id = continuous_post_ids_get_unused_id(); if ($unused_post_id) { $data['ID'] = $unused_post_id; } } return $data;}// 查询未使用的IDfunction continuous_post_ids_get_unused_id() { global $wpdb; $sql = "SELECT a.ID + 1 AS unused_id FROM $wpdb->posts a LEFT JOIN $wpdb->posts b ON a.ID + 1 = b.ID WHERE a.post_type = 'post' AND a.post_status = 'publish' AND b.ID IS NULL ORDER BY a.ID LIMIT 1"; return $wpdb->get_var($sql);}