datePublished, dateModified转为UTC时区格式

application/controllers/information.php

@@ -2276,6 +2276,9 @@ class Information extends CI_Controller {
     }));
     $article_image_json = json_encode($article_image_list, JSON_UNESCAPED_SLASHES);
 
+    $article_published_date = new DateTime($information->is_datetime, new DateTimeZone('UTC'));
+    $article_modified_date = new DateTime('now', new DateTimeZone('UTC'));
+
     $data['meta_news_createdate'] = $this->get_publish_date_in_6_month($information);
     $data['ads_by_google']        = $ads_by_google;
     $data['author']               = ''; //获取作者信息
@@ -2300,6 +2303,8 @@ class Information extends CI_Controller {
     $article_structured_data_content = $this->load->view(
       $template_path . '-structured-data-article', [
         'information' => $information,
+        'article_published_date' => $article_published_date,
+        'article_modified_date' => $article_modified_date,
         'author_name' => $data['author'], 'author_url' => $author_url,
         'article_image_urls' => $article_image_json
       ],

application/views/mobile_first/htravel-structured-data-article.php

@@ -8,8 +8,8 @@
   },
   "headline": "<?php echo $information->ic_seo_title; ?>",
   "image": <?php echo $article_image_urls; ?>,
-  "datePublished": "<?php echo $information->is_datetime; ?>",
-  "dateModified": "<?php echo date('Y-m-d\TH:i:s'); ?>",
+  "datePublished": "<?php echo $article_published_date; ?>",
+  "dateModified": "<?php echo $article_modified_date; ?>",
   "author": {
     "@type": "Person",
     "name": "<?php echo $author_name; ?>",