关键词 获取旧排名,记录排名变化

application/controllers/keyworlds.php

@@ -343,6 +343,7 @@ class Keyworlds extends CI_Controller {
         $client_flag  = "PC";
         $rank_flag    = 'rank';
         $source_flag  = 'source';
+        $last_rank_pc = $this->Keywordsrank_model->get_rank_list($worldsList[0]->kw_id);
         if (empty($worldsList)) {
             $worldsList  = $this->Keywords_model->get_keyworld_list(1, $engines, $fix_site_code);
             $client_flag = "m";
@@ -392,7 +393,6 @@ class Keyworlds extends CI_Controller {
                 and $this->Keywordsrank_model->add_rank($v->kw_id, $rank['rank'], $rank['rank_m'], $rank['source'], $rank['source_m'], $rank['engines'])
             ) {
 				$this->load->model('InfoSMS_model');
-                $last_rank_pc = $this->Keywordsrank_model->get_rank_list($worldsList[0]->kw_id);
 				$last_rank_pc = isset($last_rank_pc[0]) ? $last_rank_pc[0]->kwr_rank : $rank['rank'];
 				$this->InfoSMS_model->readed_for_info($v->kw_id, 'keywords_rank');
 				$this->InfoSMS_model->add('keywords_rank', $v->kw_id, $rank['rank'], $last_rank_pc, (string) ($rank['rank'] - $last_rank_pc));