发布日期在6个月以前的页面不展示发布日期

application/controllers/information.php

@@ -1092,7 +1092,24 @@ class Information extends CI_Controller
     $data_H1 = array();
     $data_H1['infocategory'] = $this->Information_model->get_detail_by_path($information->is_path, 1); //信息所属分类，获取信息顶级节点内容
     $data_H1['author'] = ''; //获取作者信息
-    $data_H1['meta_news_createdate'] = get_meta($information->ic_id, 'meta_news_createdate');
+
+    $meta_news_createdate = get_meta($information->ic_id, 'meta_news_createdate');
+
+    // 六个月以前的文章不显示发布时间
+    if (empty($meta_news_createdate) || !strtotime($meta_news_createdate)) {
+      $data_H1['meta_news_createdate'] = NULL;
+    } else {
+      $publish_date = new DateTime($meta_news_createdate, new DateTimeZone('UTC'));
+      $current_date = new DateTime('now', new DateTimeZone('UTC'));
+      $interval = $current_date->diff($publish_date);
+
+      if ($interval->y > 0 || ($interval->m > 6) || ($interval->m == 6 && $interval->d > 0)) {
+        $data_H1['meta_news_createdate'] = NULL;
+      } else {
+        $data_H1['meta_news_createdate'] = $meta_news_createdate;
+      }
+    }
+
     $author = $this->Operator_model->get_author_nikename($information->ic_author);
     if (!empty($author)) {
       $data_H1['author'] = $author->OPI_FirstName;